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Finding the Fourth Proportional to 88,002.80, 132,069.81 and 35,412.74

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Solution

The fourth proportional to 88,002.80, 132,069.81 and 35,412.74 is: 53,145.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,002.80 : 132,069.81 = 35,412.74 : x
  2. Step 2: Convert to fraction form
    88,002.80/132,069.81 = 35,412.74/x
  3. Step 3: Cross multiply
    88,002.80x = 132,069.81 × 35,412.74
  4. Step 4: Simplify right side
    88,002.80x = 4,676,953,843.38
  5. Step 5: Solve for x
    x = 4,676,953,843.38/88,002.80
  6. Step 6: Final answer
    x = 53,145.51

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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.