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Finding the Fourth Proportional to 118,034.55, 177,116.67 and 55,703.43

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Solution

The fourth proportional to 118,034.55, 177,116.67 and 55,703.43 is: 83,585.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,034.55 : 177,116.67 = 55,703.43 : x
  2. Step 2: Convert to fraction form
    118,034.55/177,116.67 = 55,703.43/x
  3. Step 3: Cross multiply
    118,034.55x = 177,116.67 × 55,703.43
  4. Step 4: Simplify right side
    118,034.55x = 9,866,006,029.18
  5. Step 5: Solve for x
    x = 9,866,006,029.18/118,034.55
  6. Step 6: Final answer
    x = 83,585.75

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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.