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Finding the Fourth Proportional to 118,659.66, 177,966.80 and 35,553.66

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Solution

The fourth proportional to 118,659.66, 177,966.80 and 35,553.66 is: 53,323.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,659.66 : 177,966.80 = 35,553.66 : x
  2. Step 2: Convert to fraction form
    118,659.66/177,966.80 = 35,553.66/x
  3. Step 3: Cross multiply
    118,659.66x = 177,966.80 × 35,553.66
  4. Step 4: Simplify right side
    118,659.66x = 6,327,371,098.49
  5. Step 5: Solve for x
    x = 6,327,371,098.49/118,659.66
  6. Step 6: Final answer
    x = 53,323.69

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1.5x scale

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.