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Finding the Fourth Proportional to 88,364.80, 132,352.80 and 76,700.80

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Solution

The fourth proportional to 88,364.80, 132,352.80 and 76,700.80 is: 114,882.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,364.80 : 132,352.80 = 76,700.80 : x
  2. Step 2: Convert to fraction form
    88,364.80/132,352.80 = 76,700.80/x
  3. Step 3: Cross multiply
    88,364.80x = 132,352.80 × 76,700.80
  4. Step 4: Simplify right side
    88,364.80x = 10,151,565,642.24
  5. Step 5: Solve for x
    x = 10,151,565,642.24/88,364.80
  6. Step 6: Final answer
    x = 114,882.46

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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.