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Finding the Fourth Proportional to 112,893.88, 169,326.96 and 65,534.71

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Solution

The fourth proportional to 112,893.88, 169,326.96 and 65,534.71 is: 98,294.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,893.88 : 169,326.96 = 65,534.71 : x
  2. Step 2: Convert to fraction form
    112,893.88/169,326.96 = 65,534.71/x
  3. Step 3: Cross multiply
    112,893.88x = 169,326.96 × 65,534.71
  4. Step 4: Simplify right side
    112,893.88x = 11,096,793,218.78
  5. Step 5: Solve for x
    x = 11,096,793,218.78/112,893.88
  6. Step 6: Final answer
    x = 98,294.02

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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.