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Finding the Fourth Proportional to 234,602.52, 351,849.84 and 139,859.52

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Solution

The fourth proportional to 234,602.52, 351,849.84 and 139,859.52 is: 209,757.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,602.52 : 351,849.84 = 139,859.52 : x
  2. Step 2: Convert to fraction form
    234,602.52/351,849.84 = 139,859.52/x
  3. Step 3: Cross multiply
    234,602.52x = 351,849.84 × 139,859.52
  4. Step 4: Simplify right side
    234,602.52x = 49,209,549,734.48
  5. Step 5: Solve for x
    x = 49,209,549,734.48/234,602.52
  6. Step 6: Final answer
    x = 209,757.12

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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.