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Finding the Fourth Proportional to 88,070.80, 132,106.20 and 80,467.60

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Solution

The fourth proportional to 88,070.80, 132,106.20 and 80,467.60 is: 120,701.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,070.80 : 132,106.20 = 80,467.60 : x
  2. Step 2: Convert to fraction form
    88,070.80/132,106.20 = 80,467.60/x
  3. Step 3: Cross multiply
    88,070.80x = 132,106.20 × 80,467.60
  4. Step 4: Simplify right side
    88,070.80x = 10,630,268,859.12
  5. Step 5: Solve for x
    x = 10,630,268,859.12/88,070.80
  6. Step 6: Final answer
    x = 120,701.40

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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.