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Finding the Fourth Proportional to 67,887.35, 101,798.14 and 39,816.60

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Solution

The fourth proportional to 67,887.35, 101,798.14 and 39,816.60 is: 59,705.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,887.35 : 101,798.14 = 39,816.60 : x
  2. Step 2: Convert to fraction form
    67,887.35/101,798.14 = 39,816.60/x
  3. Step 3: Cross multiply
    67,887.35x = 101,798.14 × 39,816.60
  4. Step 4: Simplify right side
    67,887.35x = 4,053,255,821.12
  5. Step 5: Solve for x
    x = 4,053,255,821.12/67,887.35
  6. Step 6: Final answer
    x = 59,705.61

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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.