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Finding the Fourth Proportional to 88,702.10, 133,079.07 and 26,374.10

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Solution

The fourth proportional to 88,702.10, 133,079.07 and 26,374.10 is: 39,568.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,702.10 : 133,079.07 = 26,374.10 : x
  2. Step 2: Convert to fraction form
    88,702.10/133,079.07 = 26,374.10/x
  3. Step 3: Cross multiply
    88,702.10x = 133,079.07 × 26,374.10
  4. Step 4: Simplify right side
    88,702.10x = 3,509,840,700.09
  5. Step 5: Solve for x
    x = 3,509,840,700.09/88,702.10
  6. Step 6: Final answer
    x = 39,568.86

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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.