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Finding the Fourth Proportional to 88,927.01, 122,648.41 and 75,542.57

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Solution

The fourth proportional to 88,927.01, 122,648.41 and 75,542.57 is: 104,188.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,927.01 : 122,648.41 = 75,542.57 : x
  2. Step 2: Convert to fraction form
    88,927.01/122,648.41 = 75,542.57/x
  3. Step 3: Cross multiply
    88,927.01x = 122,648.41 × 75,542.57
  4. Step 4: Simplify right side
    88,927.01x = 9,265,176,097.81
  5. Step 5: Solve for x
    x = 9,265,176,097.81/88,927.01
  6. Step 6: Final answer
    x = 104,188.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.