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Finding the Fourth Proportional to 88,549.76, 132,828.16 and 29,390.72

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Solution

The fourth proportional to 88,549.76, 132,828.16 and 29,390.72 is: 44,087.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,549.76 : 132,828.16 = 29,390.72 : x
  2. Step 2: Convert to fraction form
    88,549.76/132,828.16 = 29,390.72/x
  3. Step 3: Cross multiply
    88,549.76x = 132,828.16 × 29,390.72
  4. Step 4: Simplify right side
    88,549.76x = 3,903,915,258.68
  5. Step 5: Solve for x
    x = 3,903,915,258.68/88,549.76
  6. Step 6: Final answer
    x = 44,087.25

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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.