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Finding the Fourth Proportional to 96,010.20, 143,892.90 and 53,890.20

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Solution

The fourth proportional to 96,010.20, 143,892.90 and 53,890.20 is: 80,766.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,010.20 : 143,892.90 = 53,890.20 : x
  2. Step 2: Convert to fraction form
    96,010.20/143,892.90 = 53,890.20/x
  3. Step 3: Cross multiply
    96,010.20x = 143,892.90 × 53,890.20
  4. Step 4: Simplify right side
    96,010.20x = 7,754,417,159.58
  5. Step 5: Solve for x
    x = 7,754,417,159.58/96,010.20
  6. Step 6: Final answer
    x = 80,766.60

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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.