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Finding the Fourth Proportional to 114,512.87, 158,028.17 and 63,526.61

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Solution

The fourth proportional to 114,512.87, 158,028.17 and 63,526.61 is: 87,666.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,512.87 : 158,028.17 = 63,526.61 : x
  2. Step 2: Convert to fraction form
    114,512.87/158,028.17 = 63,526.61/x
  3. Step 3: Cross multiply
    114,512.87x = 158,028.17 × 63,526.61
  4. Step 4: Simplify right side
    114,512.87x = 10,038,994,002.04
  5. Step 5: Solve for x
    x = 10,038,994,002.04/114,512.87
  6. Step 6: Final answer
    x = 87,666.95

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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.