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Finding the Fourth Proportional to 88,629.32, 132,852.78 and 38,700.08

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Solution

The fourth proportional to 88,629.32, 132,852.78 and 38,700.08 is: 58,010.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,629.32 : 132,852.78 = 38,700.08 : x
  2. Step 2: Convert to fraction form
    88,629.32/132,852.78 = 38,700.08/x
  3. Step 3: Cross multiply
    88,629.32x = 132,852.78 × 38,700.08
  4. Step 4: Simplify right side
    88,629.32x = 5,141,413,214.22
  5. Step 5: Solve for x
    x = 5,141,413,214.22/88,629.32
  6. Step 6: Final answer
    x = 58,010.30

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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.