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Finding the Fourth Proportional to 183,496.80, 275,245.20 and 141,973.60

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Solution

The fourth proportional to 183,496.80, 275,245.20 and 141,973.60 is: 212,960.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,496.80 : 275,245.20 = 141,973.60 : x
  2. Step 2: Convert to fraction form
    183,496.80/275,245.20 = 141,973.60/x
  3. Step 3: Cross multiply
    183,496.80x = 275,245.20 × 141,973.60
  4. Step 4: Simplify right side
    183,496.80x = 39,077,551,926.72
  5. Step 5: Solve for x
    x = 39,077,551,926.72/183,496.80
  6. Step 6: Final answer
    x = 212,960.40

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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.