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Finding the Fourth Proportional to 104,073.32, 156,117 and 51,468.68

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Solution

The fourth proportional to 104,073.32, 156,117 and 51,468.68 is: 77,206.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,073.32 : 156,117 = 51,468.68 : x
  2. Step 2: Convert to fraction form
    104,073.32/156,117 = 51,468.68/x
  3. Step 3: Cross multiply
    104,073.32x = 156,117 × 51,468.68
  4. Step 4: Simplify right side
    104,073.32x = 8,035,135,915.56
  5. Step 5: Solve for x
    x = 8,035,135,915.56/104,073.32
  6. Step 6: Final answer
    x = 77,206.49

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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.