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Finding the Fourth Proportional to 88,705.40, 133,058.10 and 26,375.90

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Solution

The fourth proportional to 88,705.40, 133,058.10 and 26,375.90 is: 39,563.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,705.40 : 133,058.10 = 26,375.90 : x
  2. Step 2: Convert to fraction form
    88,705.40/133,058.10 = 26,375.90/x
  3. Step 3: Cross multiply
    88,705.40x = 133,058.10 × 26,375.90
  4. Step 4: Simplify right side
    88,705.40x = 3,509,527,139.79
  5. Step 5: Solve for x
    x = 3,509,527,139.79/88,705.40
  6. Step 6: Final answer
    x = 39,563.85

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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.