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Finding the Fourth Proportional to 101,689.70, 152,534.61 and 88,551.36

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Solution

The fourth proportional to 101,689.70, 152,534.61 and 88,551.36 is: 132,827.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,689.70 : 152,534.61 = 88,551.36 : x
  2. Step 2: Convert to fraction form
    101,689.70/152,534.61 = 88,551.36/x
  3. Step 3: Cross multiply
    101,689.70x = 152,534.61 × 88,551.36
  4. Step 4: Simplify right side
    101,689.70x = 13,507,147,162.57
  5. Step 5: Solve for x
    x = 13,507,147,162.57/101,689.70
  6. Step 6: Final answer
    x = 132,827.10

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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.