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Finding the Fourth Proportional to 118,587.29, 177,855.35 and 37,540.71

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Solution

The fourth proportional to 118,587.29, 177,855.35 and 37,540.71 is: 56,302.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,587.29 : 177,855.35 = 37,540.71 : x
  2. Step 2: Convert to fraction form
    118,587.29/177,855.35 = 37,540.71/x
  3. Step 3: Cross multiply
    118,587.29x = 177,855.35 × 37,540.71
  4. Step 4: Simplify right side
    118,587.29x = 6,676,815,928.59
  5. Step 5: Solve for x
    x = 6,676,815,928.59/118,587.29
  6. Step 6: Final answer
    x = 56,302.97

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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.