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Finding the Fourth Proportional to 234,618.52, 351,873.87 and 139,875.52

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Solution

The fourth proportional to 234,618.52, 351,873.87 and 139,875.52 is: 209,781.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,618.52 : 351,873.87 = 139,875.52 : x
  2. Step 2: Convert to fraction form
    234,618.52/351,873.87 = 139,875.52/x
  3. Step 3: Cross multiply
    234,618.52x = 351,873.87 × 139,875.52
  4. Step 4: Simplify right side
    234,618.52x = 49,218,540,540.66
  5. Step 5: Solve for x
    x = 49,218,540,540.66/234,618.52
  6. Step 6: Final answer
    x = 209,781.14

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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.