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Finding the Fourth Proportional to 88,035.84, 132,055.92 and 28,869.12

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Solution

The fourth proportional to 88,035.84, 132,055.92 and 28,869.12 is: 43,304.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,035.84 : 132,055.92 = 28,869.12 : x
  2. Step 2: Convert to fraction form
    88,035.84/132,055.92 = 28,869.12/x
  3. Step 3: Cross multiply
    88,035.84x = 132,055.92 × 28,869.12
  4. Step 4: Simplify right side
    88,035.84x = 3,812,338,201.19
  5. Step 5: Solve for x
    x = 3,812,338,201.19/88,035.84
  6. Step 6: Final answer
    x = 43,304.39

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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.