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Finding the Fourth Proportional to 115,492.75, 159,380.00 and 62,500.75

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Solution

The fourth proportional to 115,492.75, 159,380.00 and 62,500.75 is: 86,251.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,492.75 : 159,380.00 = 62,500.75 : x
  2. Step 2: Convert to fraction form
    115,492.75/159,380.00 = 62,500.75/x
  3. Step 3: Cross multiply
    115,492.75x = 159,380.00 × 62,500.75
  4. Step 4: Simplify right side
    115,492.75x = 9,961,369,222.50
  5. Step 5: Solve for x
    x = 9,961,369,222.50/115,492.75
  6. Step 6: Final answer
    x = 86,251.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.