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Finding the Fourth Proportional to 88,066.80, 132,100.20 and 28,888.20

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Solution

The fourth proportional to 88,066.80, 132,100.20 and 28,888.20 is: 43,332.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,066.80 : 132,100.20 = 28,888.20 : x
  2. Step 2: Convert to fraction form
    88,066.80/132,100.20 = 28,888.20/x
  3. Step 3: Cross multiply
    88,066.80x = 132,100.20 × 28,888.20
  4. Step 4: Simplify right side
    88,066.80x = 3,816,136,997.64
  5. Step 5: Solve for x
    x = 3,816,136,997.64/88,066.80
  6. Step 6: Final answer
    x = 43,332.30

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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.