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Finding the Fourth Proportional to 88,258.56, 132,256.56 and 69,584.16

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Solution

The fourth proportional to 88,258.56, 132,256.56 and 69,584.16 is: 104,272.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,258.56 : 132,256.56 = 69,584.16 : x
  2. Step 2: Convert to fraction form
    88,258.56/132,256.56 = 69,584.16/x
  3. Step 3: Cross multiply
    88,258.56x = 132,256.56 × 69,584.16
  4. Step 4: Simplify right side
    88,258.56x = 9,202,961,632.09
  5. Step 5: Solve for x
    x = 9,202,961,632.09/88,258.56
  6. Step 6: Final answer
    x = 104,272.74

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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.