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Finding the Fourth Proportional to 61,234.61, 84,501.05 and 34,376.58

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Solution

The fourth proportional to 61,234.61, 84,501.05 and 34,376.58 is: 47,438.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,234.61 : 84,501.05 = 34,376.58 : x
  2. Step 2: Convert to fraction form
    61,234.61/84,501.05 = 34,376.58/x
  3. Step 3: Cross multiply
    61,234.61x = 84,501.05 × 34,376.58
  4. Step 4: Simplify right side
    61,234.61x = 2,904,856,933.53
  5. Step 5: Solve for x
    x = 2,904,856,933.53/61,234.61
  6. Step 6: Final answer
    x = 47,438.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.