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Finding the Fourth Proportional to 88,407.40, 132,524.70 and 79,076.20

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Solution

The fourth proportional to 88,407.40, 132,524.70 and 79,076.20 is: 118,537.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,407.40 : 132,524.70 = 79,076.20 : x
  2. Step 2: Convert to fraction form
    88,407.40/132,524.70 = 79,076.20/x
  3. Step 3: Cross multiply
    88,407.40x = 132,524.70 × 79,076.20
  4. Step 4: Simplify right side
    88,407.40x = 10,479,549,682.14
  5. Step 5: Solve for x
    x = 10,479,549,682.14/88,407.40
  6. Step 6: Final answer
    x = 118,537.02

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1.5x scale

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.