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Finding the Fourth Proportional to 117,520.88, 176,292.36 and 38,635.28

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Solution

The fourth proportional to 117,520.88, 176,292.36 and 38,635.28 is: 57,956.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,520.88 : 176,292.36 = 38,635.28 : x
  2. Step 2: Convert to fraction form
    117,520.88/176,292.36 = 38,635.28/x
  3. Step 3: Cross multiply
    117,520.88x = 176,292.36 × 38,635.28
  4. Step 4: Simplify right side
    117,520.88x = 6,811,104,690.46
  5. Step 5: Solve for x
    x = 6,811,104,690.46/117,520.88
  6. Step 6: Final answer
    x = 57,956.55

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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.