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Finding the Fourth Proportional to 234,842.61, 351,810.56 and 140,148.47

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Solution

The fourth proportional to 234,842.61, 351,810.56 and 140,148.47 is: 209,952.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,842.61 : 351,810.56 = 140,148.47 : x
  2. Step 2: Convert to fraction form
    234,842.61/351,810.56 = 140,148.47/x
  3. Step 3: Cross multiply
    234,842.61x = 351,810.56 × 140,148.47
  4. Step 4: Simplify right side
    234,842.61x = 49,305,709,254.05
  5. Step 5: Solve for x
    x = 49,305,709,254.05/234,842.61
  6. Step 6: Final answer
    x = 209,952.14

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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.