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Finding the Fourth Proportional to 88,312.80, 132,104.70 and 80,527.08

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Solution

The fourth proportional to 88,312.80, 132,104.70 and 80,527.08 is: 120,458.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,312.80 : 132,104.70 = 80,527.08 : x
  2. Step 2: Convert to fraction form
    88,312.80/132,104.70 = 80,527.08/x
  3. Step 3: Cross multiply
    88,312.80x = 132,104.70 × 80,527.08
  4. Step 4: Simplify right side
    88,312.80x = 10,638,005,745.28
  5. Step 5: Solve for x
    x = 10,638,005,745.28/88,312.80
  6. Step 6: Final answer
    x = 120,458.25

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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.