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Finding the Fourth Proportional to 117,607.20, 176,119.20 and 94,279.20

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Solution

The fourth proportional to 117,607.20, 176,119.20 and 94,279.20 is: 141,185.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,607.20 : 176,119.20 = 94,279.20 : x
  2. Step 2: Convert to fraction form
    117,607.20/176,119.20 = 94,279.20/x
  3. Step 3: Cross multiply
    117,607.20x = 176,119.20 × 94,279.20
  4. Step 4: Simplify right side
    117,607.20x = 16,604,377,280.64
  5. Step 5: Solve for x
    x = 16,604,377,280.64/117,607.20
  6. Step 6: Final answer
    x = 141,185.04

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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.