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Finding the Fourth Proportional to 65,103.10, 97,863.45 and 60,480.70

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Solution

The fourth proportional to 65,103.10, 97,863.45 and 60,480.70 is: 90,915.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,103.10 : 97,863.45 = 60,480.70 : x
  2. Step 2: Convert to fraction form
    65,103.10/97,863.45 = 60,480.70/x
  3. Step 3: Cross multiply
    65,103.10x = 97,863.45 × 60,480.70
  4. Step 4: Simplify right side
    65,103.10x = 5,918,849,960.42
  5. Step 5: Solve for x
    x = 5,918,849,960.42/65,103.10
  6. Step 6: Final answer
    x = 90,915.02

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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.