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Finding the Fourth Proportional to 266,069.40, 399,104.10 and 88,582.20

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Solution

The fourth proportional to 266,069.40, 399,104.10 and 88,582.20 is: 132,873.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,069.40 : 399,104.10 = 88,582.20 : x
  2. Step 2: Convert to fraction form
    266,069.40/399,104.10 = 88,582.20/x
  3. Step 3: Cross multiply
    266,069.40x = 399,104.10 × 88,582.20
  4. Step 4: Simplify right side
    266,069.40x = 35,353,519,207.02
  5. Step 5: Solve for x
    x = 35,353,519,207.02/266,069.40
  6. Step 6: Final answer
    x = 132,873.30

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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.