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Finding the Fourth Proportional to 118,658.66, 177,965.30 and 35,552.66

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Solution

The fourth proportional to 118,658.66, 177,965.30 and 35,552.66 is: 53,322.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,658.66 : 177,965.30 = 35,552.66 : x
  2. Step 2: Convert to fraction form
    118,658.66/177,965.30 = 35,552.66/x
  3. Step 3: Cross multiply
    118,658.66x = 177,965.30 × 35,552.66
  4. Step 4: Simplify right side
    118,658.66x = 6,327,139,001.75
  5. Step 5: Solve for x
    x = 6,327,139,001.75/118,658.66
  6. Step 6: Final answer
    x = 53,322.19

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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.