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Finding the Fourth Proportional to 88,680.58, 133,020.88 and 59,156.08

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Solution

The fourth proportional to 88,680.58, 133,020.88 and 59,156.08 is: 88,734.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,680.58 : 133,020.88 = 59,156.08 : x
  2. Step 2: Convert to fraction form
    88,680.58/133,020.88 = 59,156.08/x
  3. Step 3: Cross multiply
    88,680.58x = 133,020.88 × 59,156.08
  4. Step 4: Simplify right side
    88,680.58x = 7,868,993,818.95
  5. Step 5: Solve for x
    x = 7,868,993,818.95/88,680.58
  6. Step 6: Final answer
    x = 88,734.13

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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.