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Finding the Fourth Proportional to 303,094.91, 418,267.64 and 167,140.80

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Solution

The fourth proportional to 303,094.91, 418,267.64 and 167,140.80 is: 230,652.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,094.91 : 418,267.64 = 167,140.80 : x
  2. Step 2: Convert to fraction form
    303,094.91/418,267.64 = 167,140.80/x
  3. Step 3: Cross multiply
    303,094.91x = 418,267.64 × 167,140.80
  4. Step 4: Simplify right side
    303,094.91x = 69,909,587,128.01
  5. Step 5: Solve for x
    x = 69,909,587,128.01/303,094.91
  6. Step 6: Final answer
    x = 230,652.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.