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Finding the Fourth Proportional to 253,666.80, 350,059.92 and 140,489.52

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Solution

The fourth proportional to 253,666.80, 350,059.92 and 140,489.52 is: 193,875.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,666.80 : 350,059.92 = 140,489.52 : x
  2. Step 2: Convert to fraction form
    253,666.80/350,059.92 = 140,489.52/x
  3. Step 3: Cross multiply
    253,666.80x = 350,059.92 × 140,489.52
  4. Step 4: Simplify right side
    253,666.80x = 49,179,750,132.04
  5. Step 5: Solve for x
    x = 49,179,750,132.04/253,666.80
  6. Step 6: Final answer
    x = 193,875.39

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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.