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Finding the Fourth Proportional to 83,099.08, 124,670.08 and 23,939.40

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Solution

The fourth proportional to 83,099.08, 124,670.08 and 23,939.40 is: 35,915.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,099.08 : 124,670.08 = 23,939.40 : x
  2. Step 2: Convert to fraction form
    83,099.08/124,670.08 = 23,939.40/x
  3. Step 3: Cross multiply
    83,099.08x = 124,670.08 × 23,939.40
  4. Step 4: Simplify right side
    83,099.08x = 2,984,526,913.15
  5. Step 5: Solve for x
    x = 2,984,526,913.15/83,099.08
  6. Step 6: Final answer
    x = 35,915.28

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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.