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Finding the Fourth Proportional to 181,891.60, 272,837.40 and 124,810.90

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Solution

The fourth proportional to 181,891.60, 272,837.40 and 124,810.90 is: 187,216.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,891.60 : 272,837.40 = 124,810.90 : x
  2. Step 2: Convert to fraction form
    181,891.60/272,837.40 = 124,810.90/x
  3. Step 3: Cross multiply
    181,891.60x = 272,837.40 × 124,810.90
  4. Step 4: Simplify right side
    181,891.60x = 34,053,081,447.66
  5. Step 5: Solve for x
    x = 34,053,081,447.66/181,891.60
  6. Step 6: Final answer
    x = 187,216.35

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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.