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Finding the Fourth Proportional to 61,159.83, 84,357.91 and 59,102.38

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Solution

The fourth proportional to 61,159.83, 84,357.91 and 59,102.38 is: 81,520.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,159.83 : 84,357.91 = 59,102.38 : x
  2. Step 2: Convert to fraction form
    61,159.83/84,357.91 = 59,102.38/x
  3. Step 3: Cross multiply
    61,159.83x = 84,357.91 × 59,102.38
  4. Step 4: Simplify right side
    61,159.83x = 4,985,753,336.96
  5. Step 5: Solve for x
    x = 4,985,753,336.96/61,159.83
  6. Step 6: Final answer
    x = 81,520.06

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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.