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Finding the Fourth Proportional to 96,702.64, 145,037.12 and 26,565.28

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Solution

The fourth proportional to 96,702.64, 145,037.12 and 26,565.28 is: 39,843.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,702.64 : 145,037.12 = 26,565.28 : x
  2. Step 2: Convert to fraction form
    96,702.64/145,037.12 = 26,565.28/x
  3. Step 3: Cross multiply
    96,702.64x = 145,037.12 × 26,565.28
  4. Step 4: Simplify right side
    96,702.64x = 3,852,951,703.19
  5. Step 5: Solve for x
    x = 3,852,951,703.19/96,702.64
  6. Step 6: Final answer
    x = 39,843.29

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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.