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Finding the Fourth Proportional to 98,633.57, 147,987.61 and 59,218.16

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Solution

The fourth proportional to 98,633.57, 147,987.61 and 59,218.16 is: 88,849.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,633.57 : 147,987.61 = 59,218.16 : x
  2. Step 2: Convert to fraction form
    98,633.57/147,987.61 = 59,218.16/x
  3. Step 3: Cross multiply
    98,633.57x = 147,987.61 × 59,218.16
  4. Step 4: Simplify right side
    98,633.57x = 8,763,553,079.01
  5. Step 5: Solve for x
    x = 8,763,553,079.01/98,633.57
  6. Step 6: Final answer
    x = 88,849.60

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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.