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Finding the Fourth Proportional to 238,832.52, 358,241.04 and 81,062.32

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Solution

The fourth proportional to 238,832.52, 358,241.04 and 81,062.32 is: 121,590.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,832.52 : 358,241.04 = 81,062.32 : x
  2. Step 2: Convert to fraction form
    238,832.52/358,241.04 = 81,062.32/x
  3. Step 3: Cross multiply
    238,832.52x = 358,241.04 × 81,062.32
  4. Step 4: Simplify right side
    238,832.52x = 29,039,849,821.61
  5. Step 5: Solve for x
    x = 29,039,849,821.61/238,832.52
  6. Step 6: Final answer
    x = 121,590.85

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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.