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Finding the Fourth Proportional to 61,737.12, 92,605.68 and 43,351.20

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Solution

The fourth proportional to 61,737.12, 92,605.68 and 43,351.20 is: 65,026.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,737.12 : 92,605.68 = 43,351.20 : x
  2. Step 2: Convert to fraction form
    61,737.12/92,605.68 = 43,351.20/x
  3. Step 3: Cross multiply
    61,737.12x = 92,605.68 × 43,351.20
  4. Step 4: Simplify right side
    61,737.12x = 4,014,567,354.82
  5. Step 5: Solve for x
    x = 4,014,567,354.82/61,737.12
  6. Step 6: Final answer
    x = 65,026.80

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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.