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Finding the Fourth Proportional to 199,706,674.80, 299,560,012.20 and 167,458,047.60

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Solution

The fourth proportional to 199,706,674.80, 299,560,012.20 and 167,458,047.60 is: 251,187,071.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,706,674.80 : 299,560,012.20 = 167,458,047.60 : x
  2. Step 2: Convert to fraction form
    199,706,674.80/299,560,012.20 = 167,458,047.60/x
  3. Step 3: Cross multiply
    199,706,674.80x = 299,560,012.20 × 167,458,047.60
  4. Step 4: Simplify right side
    199,706,674.80x = 50,163,734,782,044,176
  5. Step 5: Solve for x
    x = 50,163,734,782,044,176/199,706,674.80
  6. Step 6: Final answer
    x = 251,187,071.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.