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Finding the Fourth Proportional to 88,613.28, 122,327.28 and 54,627.84

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Solution

The fourth proportional to 88,613.28, 122,327.28 and 54,627.84 is: 75,411.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,613.28 : 122,327.28 = 54,627.84 : x
  2. Step 2: Convert to fraction form
    88,613.28/122,327.28 = 54,627.84/x
  3. Step 3: Cross multiply
    88,613.28x = 122,327.28 × 54,627.84
  4. Step 4: Simplify right side
    88,613.28x = 6,682,475,079.48
  5. Step 5: Solve for x
    x = 6,682,475,079.48/88,613.28
  6. Step 6: Final answer
    x = 75,411.67

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1.5x scale

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.