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Finding the Fourth Proportional to 88,603.60, 132,751.80 and 57,422.80

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Solution

The fourth proportional to 88,603.60, 132,751.80 and 57,422.80 is: 86,034.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,603.60 : 132,751.80 = 57,422.80 : x
  2. Step 2: Convert to fraction form
    88,603.60/132,751.80 = 57,422.80/x
  3. Step 3: Cross multiply
    88,603.60x = 132,751.80 × 57,422.80
  4. Step 4: Simplify right side
    88,603.60x = 7,622,980,061.04
  5. Step 5: Solve for x
    x = 7,622,980,061.04/88,603.60
  6. Step 6: Final answer
    x = 86,034.65

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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.