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Finding the Fourth Proportional to 118,538.10, 177,946.05 and 93,594.96

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Solution

The fourth proportional to 118,538.10, 177,946.05 and 93,594.96 is: 140,502.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,538.10 : 177,946.05 = 93,594.96 : x
  2. Step 2: Convert to fraction form
    118,538.10/177,946.05 = 93,594.96/x
  3. Step 3: Cross multiply
    118,538.10x = 177,946.05 × 93,594.96
  4. Step 4: Simplify right side
    118,538.10x = 16,654,853,431.91
  5. Step 5: Solve for x
    x = 16,654,853,431.91/118,538.10
  6. Step 6: Final answer
    x = 140,502.11

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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.