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Finding the Fourth Proportional to 159,926.52, 240,036.12 and 81,095.16

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Solution

The fourth proportional to 159,926.52, 240,036.12 and 81,095.16 is: 121,716.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,926.52 : 240,036.12 = 81,095.16 : x
  2. Step 2: Convert to fraction form
    159,926.52/240,036.12 = 81,095.16/x
  3. Step 3: Cross multiply
    159,926.52x = 240,036.12 × 81,095.16
  4. Step 4: Simplify right side
    159,926.52x = 19,465,767,557.18
  5. Step 5: Solve for x
    x = 19,465,767,557.18/159,926.52
  6. Step 6: Final answer
    x = 121,716.95

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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.