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Finding the Fourth Proportional to 140,366.66, 210,691.90 and 124,458.06

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Solution

The fourth proportional to 140,366.66, 210,691.90 and 124,458.06 is: 186,812.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,366.66 : 210,691.90 = 124,458.06 : x
  2. Step 2: Convert to fraction form
    140,366.66/210,691.90 = 124,458.06/x
  3. Step 3: Cross multiply
    140,366.66x = 210,691.90 × 124,458.06
  4. Step 4: Simplify right side
    140,366.66x = 26,222,305,131.71
  5. Step 5: Solve for x
    x = 26,222,305,131.71/140,366.66
  6. Step 6: Final answer
    x = 186,812.92

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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.