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Finding the Fourth Proportional to 154,882.80, 232,325.82 and 66,080.88

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Solution

The fourth proportional to 154,882.80, 232,325.82 and 66,080.88 is: 99,122.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,882.80 : 232,325.82 = 66,080.88 : x
  2. Step 2: Convert to fraction form
    154,882.80/232,325.82 = 66,080.88/x
  3. Step 3: Cross multiply
    154,882.80x = 232,325.82 × 66,080.88
  4. Step 4: Simplify right side
    154,882.80x = 15,352,294,632.32
  5. Step 5: Solve for x
    x = 15,352,294,632.32/154,882.80
  6. Step 6: Final answer
    x = 99,122.01

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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.