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Finding the Fourth Proportional to 317,186.32, 437,729.72 and 173,951.52

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Solution

The fourth proportional to 317,186.32, 437,729.72 and 173,951.52 is: 240,060.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,186.32 : 437,729.72 = 173,951.52 : x
  2. Step 2: Convert to fraction form
    317,186.32/437,729.72 = 173,951.52/x
  3. Step 3: Cross multiply
    317,186.32x = 437,729.72 × 173,951.52
  4. Step 4: Simplify right side
    317,186.32x = 76,143,750,143.17
  5. Step 5: Solve for x
    x = 76,143,750,143.17/317,186.32
  6. Step 6: Final answer
    x = 240,060.01

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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.