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Finding the Fourth Proportional to 118,237.68, 177,385.68 and 35,131.68

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Solution

The fourth proportional to 118,237.68, 177,385.68 and 35,131.68 is: 52,706.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,237.68 : 177,385.68 = 35,131.68 : x
  2. Step 2: Convert to fraction form
    118,237.68/177,385.68 = 35,131.68/x
  3. Step 3: Cross multiply
    118,237.68x = 177,385.68 × 35,131.68
  4. Step 4: Simplify right side
    118,237.68x = 6,231,856,946.34
  5. Step 5: Solve for x
    x = 6,231,856,946.34/118,237.68
  6. Step 6: Final answer
    x = 52,706.18

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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.