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Finding the Fourth Proportional to 88,407.38, 122,004.75 and 48,123.74

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Solution

The fourth proportional to 88,407.38, 122,004.75 and 48,123.74 is: 66,412.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,407.38 : 122,004.75 = 48,123.74 : x
  2. Step 2: Convert to fraction form
    88,407.38/122,004.75 = 48,123.74/x
  3. Step 3: Cross multiply
    88,407.38x = 122,004.75 × 48,123.74
  4. Step 4: Simplify right side
    88,407.38x = 5,871,324,257.74
  5. Step 5: Solve for x
    x = 5,871,324,257.74/88,407.38
  6. Step 6: Final answer
    x = 66,412.15

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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.