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Finding the Fourth Proportional to 89,228.61, 133,862.72 and 26,894.61

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Solution

The fourth proportional to 89,228.61, 133,862.72 and 26,894.61 is: 40,347.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,228.61 : 133,862.72 = 26,894.61 : x
  2. Step 2: Convert to fraction form
    89,228.61/133,862.72 = 26,894.61/x
  3. Step 3: Cross multiply
    89,228.61x = 133,862.72 × 26,894.61
  4. Step 4: Simplify right side
    89,228.61x = 3,600,185,513.47
  5. Step 5: Solve for x
    x = 3,600,185,513.47/89,228.61
  6. Step 6: Final answer
    x = 40,347.88

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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.