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Finding the Fourth Proportional to 118,062.27, 177,145.74 and 61,888.97

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Solution

The fourth proportional to 118,062.27, 177,145.74 and 61,888.97 is: 92,860.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,062.27 : 177,145.74 = 61,888.97 : x
  2. Step 2: Convert to fraction form
    118,062.27/177,145.74 = 61,888.97/x
  3. Step 3: Cross multiply
    118,062.27x = 177,145.74 × 61,888.97
  4. Step 4: Simplify right side
    118,062.27x = 10,963,366,502.76
  5. Step 5: Solve for x
    x = 10,963,366,502.76/118,062.27
  6. Step 6: Final answer
    x = 92,860.88

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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.