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Finding the Fourth Proportional to 88,238.84, 132,374.66 and 29,078.66

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Solution

The fourth proportional to 88,238.84, 132,374.66 and 29,078.66 is: 43,623.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,238.84 : 132,374.66 = 29,078.66 : x
  2. Step 2: Convert to fraction form
    88,238.84/132,374.66 = 29,078.66/x
  3. Step 3: Cross multiply
    88,238.84x = 132,374.66 × 29,078.66
  4. Step 4: Simplify right side
    88,238.84x = 3,849,277,916.30
  5. Step 5: Solve for x
    x = 3,849,277,916.30/88,238.84
  6. Step 6: Final answer
    x = 43,623.40

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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.