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Finding the Fourth Proportional to 88,482.56, 132,680.64 and 38,604.80

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Solution

The fourth proportional to 88,482.56, 132,680.64 and 38,604.80 is: 57,888.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,482.56 : 132,680.64 = 38,604.80 : x
  2. Step 2: Convert to fraction form
    88,482.56/132,680.64 = 38,604.80/x
  3. Step 3: Cross multiply
    88,482.56x = 132,680.64 × 38,604.80
  4. Step 4: Simplify right side
    88,482.56x = 5,122,109,571.07
  5. Step 5: Solve for x
    x = 5,122,109,571.07/88,482.56
  6. Step 6: Final answer
    x = 57,888.35

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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.