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Finding the Fourth Proportional to 67,698.96, 101,664.60 and 41,557.20

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Solution

The fourth proportional to 67,698.96, 101,664.60 and 41,557.20 is: 62,407.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,698.96 : 101,664.60 = 41,557.20 : x
  2. Step 2: Convert to fraction form
    67,698.96/101,664.60 = 41,557.20/x
  3. Step 3: Cross multiply
    67,698.96x = 101,664.60 × 41,557.20
  4. Step 4: Simplify right side
    67,698.96x = 4,224,896,115.12
  5. Step 5: Solve for x
    x = 4,224,896,115.12/67,698.96
  6. Step 6: Final answer
    x = 62,407.11

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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.