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Finding the Fourth Proportional to 118,248.92, 177,267.89 and 43,351.58

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Solution

The fourth proportional to 118,248.92, 177,267.89 and 43,351.58 is: 64,988.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,248.92 : 177,267.89 = 43,351.58 : x
  2. Step 2: Convert to fraction form
    118,248.92/177,267.89 = 43,351.58/x
  3. Step 3: Cross multiply
    118,248.92x = 177,267.89 × 43,351.58
  4. Step 4: Simplify right side
    118,248.92x = 7,684,843,114.77
  5. Step 5: Solve for x
    x = 7,684,843,114.77/118,248.92
  6. Step 6: Final answer
    x = 64,988.70

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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.