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Finding the Fourth Proportional to 108,079.65, 149,143.71 and 60,336.02

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Solution

The fourth proportional to 108,079.65, 149,143.71 and 60,336.02 is: 83,260.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,079.65 : 149,143.71 = 60,336.02 : x
  2. Step 2: Convert to fraction form
    108,079.65/149,143.71 = 60,336.02/x
  3. Step 3: Cross multiply
    108,079.65x = 149,143.71 × 60,336.02
  4. Step 4: Simplify right side
    108,079.65x = 8,998,738,468.55
  5. Step 5: Solve for x
    x = 8,998,738,468.55/108,079.65
  6. Step 6: Final answer
    x = 83,260.25

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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.