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Finding the Fourth Proportional to 223,500.80, 335,251.20 and 186,103.10

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Solution

The fourth proportional to 223,500.80, 335,251.20 and 186,103.10 is: 279,154.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,500.80 : 335,251.20 = 186,103.10 : x
  2. Step 2: Convert to fraction form
    223,500.80/335,251.20 = 186,103.10/x
  3. Step 3: Cross multiply
    223,500.80x = 335,251.20 × 186,103.10
  4. Step 4: Simplify right side
    223,500.80x = 62,391,287,598.72
  5. Step 5: Solve for x
    x = 62,391,287,598.72/223,500.80
  6. Step 6: Final answer
    x = 279,154.65

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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.