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Finding the Fourth Proportional to 221,595.30, 332,004.15 and 181,937.70

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Solution

The fourth proportional to 221,595.30, 332,004.15 and 181,937.70 is: 272,587.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,595.30 : 332,004.15 = 181,937.70 : x
  2. Step 2: Convert to fraction form
    221,595.30/332,004.15 = 181,937.70/x
  3. Step 3: Cross multiply
    221,595.30x = 332,004.15 × 181,937.70
  4. Step 4: Simplify right side
    221,595.30x = 60,404,071,441.46
  5. Step 5: Solve for x
    x = 60,404,071,441.46/221,595.30
  6. Step 6: Final answer
    x = 272,587.33

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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.