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Finding the Fourth Proportional to 317,186.47, 437,729.97 and 173,951.74

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Solution

The fourth proportional to 317,186.47, 437,729.97 and 173,951.74 is: 240,060.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,186.47 : 437,729.97 = 173,951.74 : x
  2. Step 2: Convert to fraction form
    317,186.47/437,729.97 = 173,951.74/x
  3. Step 3: Cross multiply
    317,186.47x = 437,729.97 × 173,951.74
  4. Step 4: Simplify right side
    317,186.47x = 76,143,889,931.65
  5. Step 5: Solve for x
    x = 76,143,889,931.65/317,186.47
  6. Step 6: Final answer
    x = 240,060.33

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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.