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Finding the Fourth Proportional to 118,045.59, 177,189.35 and 92,034.87

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Solution

The fourth proportional to 118,045.59, 177,189.35 and 92,034.87 is: 138,146.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,045.59 : 177,189.35 = 92,034.87 : x
  2. Step 2: Convert to fraction form
    118,045.59/177,189.35 = 92,034.87/x
  3. Step 3: Cross multiply
    118,045.59x = 177,189.35 × 92,034.87
  4. Step 4: Simplify right side
    118,045.59x = 16,307,598,332.46
  5. Step 5: Solve for x
    x = 16,307,598,332.46/118,045.59
  6. Step 6: Final answer
    x = 138,146.61

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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.