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Finding the Fourth Proportional to 388,165.50, 582,248.52 and 107,683.02

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Solution

The fourth proportional to 388,165.50, 582,248.52 and 107,683.02 is: 161,524.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,165.50 : 582,248.52 = 107,683.02 : x
  2. Step 2: Convert to fraction form
    388,165.50/582,248.52 = 107,683.02/x
  3. Step 3: Cross multiply
    388,165.50x = 582,248.52 × 107,683.02
  4. Step 4: Simplify right side
    388,165.50x = 62,698,279,024.13
  5. Step 5: Solve for x
    x = 62,698,279,024.13/388,165.50
  6. Step 6: Final answer
    x = 161,524.60

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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.