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Finding the Fourth Proportional to 104,537.98, 156,917.54 and 65,122.17

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Solution

The fourth proportional to 104,537.98, 156,917.54 and 65,122.17 is: 97,752.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,537.98 : 156,917.54 = 65,122.17 : x
  2. Step 2: Convert to fraction form
    104,537.98/156,917.54 = 65,122.17/x
  3. Step 3: Cross multiply
    104,537.98x = 156,917.54 × 65,122.17
  4. Step 4: Simplify right side
    104,537.98x = 10,218,810,715.86
  5. Step 5: Solve for x
    x = 10,218,810,715.86/104,537.98
  6. Step 6: Final answer
    x = 97,752.13

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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.