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Finding the Fourth Proportional to 108,761.64, 150,088.80 and 60,360.75

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Solution

The fourth proportional to 108,761.64, 150,088.80 and 60,360.75 is: 83,296.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,761.64 : 150,088.80 = 60,360.75 : x
  2. Step 2: Convert to fraction form
    108,761.64/150,088.80 = 60,360.75/x
  3. Step 3: Cross multiply
    108,761.64x = 150,088.80 × 60,360.75
  4. Step 4: Simplify right side
    108,761.64x = 9,059,472,946.53
  5. Step 5: Solve for x
    x = 9,059,472,946.53/108,761.64
  6. Step 6: Final answer
    x = 83,296.59

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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.