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Finding the Fourth Proportional to 234,402.55, 351,601.24 and 56,909.47

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Solution

The fourth proportional to 234,402.55, 351,601.24 and 56,909.47 is: 85,363.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,402.55 : 351,601.24 = 56,909.47 : x
  2. Step 2: Convert to fraction form
    234,402.55/351,601.24 = 56,909.47/x
  3. Step 3: Cross multiply
    234,402.55x = 351,601.24 × 56,909.47
  4. Step 4: Simplify right side
    234,402.55x = 20,009,440,219.74
  5. Step 5: Solve for x
    x = 20,009,440,219.74/234,402.55
  6. Step 6: Final answer
    x = 85,363.58

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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.