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Finding the Fourth Proportional to 98,832.38, 136,387.02 and 53,510

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Solution

The fourth proportional to 98,832.38, 136,387.02 and 53,510 is: 73,842.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,832.38 : 136,387.02 = 53,510 : x
  2. Step 2: Convert to fraction form
    98,832.38/136,387.02 = 53,510/x
  3. Step 3: Cross multiply
    98,832.38x = 136,387.02 × 53,510
  4. Step 4: Simplify right side
    98,832.38x = 7,298,069,440.20
  5. Step 5: Solve for x
    x = 7,298,069,440.20/98,832.38
  6. Step 6: Final answer
    x = 73,842.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.