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Finding the Fourth Proportional to 171,289.71, 256,951.85 and 58,955.15

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Solution

The fourth proportional to 171,289.71, 256,951.85 and 58,955.15 is: 88,438.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,289.71 : 256,951.85 = 58,955.15 : x
  2. Step 2: Convert to fraction form
    171,289.71/256,951.85 = 58,955.15/x
  3. Step 3: Cross multiply
    171,289.71x = 256,951.85 × 58,955.15
  4. Step 4: Simplify right side
    171,289.71x = 15,148,633,279.99
  5. Step 5: Solve for x
    x = 15,148,633,279.99/171,289.71
  6. Step 6: Final answer
    x = 88,438.66

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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.