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Finding the Fourth Proportional to 118,250.32, 177,400.68 and 34,009.72

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Solution

The fourth proportional to 118,250.32, 177,400.68 and 34,009.72 is: 51,021.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,250.32 : 177,400.68 = 34,009.72 : x
  2. Step 2: Convert to fraction form
    118,250.32/177,400.68 = 34,009.72/x
  3. Step 3: Cross multiply
    118,250.32x = 177,400.68 × 34,009.72
  4. Step 4: Simplify right side
    118,250.32x = 6,033,347,454.61
  5. Step 5: Solve for x
    x = 6,033,347,454.61/118,250.32
  6. Step 6: Final answer
    x = 51,021.83

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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.