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Finding the Fourth Proportional to 148,849.20, 223,273.80 and 89,800.20

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Solution

The fourth proportional to 148,849.20, 223,273.80 and 89,800.20 is: 134,700.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,849.20 : 223,273.80 = 89,800.20 : x
  2. Step 2: Convert to fraction form
    148,849.20/223,273.80 = 89,800.20/x
  3. Step 3: Cross multiply
    148,849.20x = 223,273.80 × 89,800.20
  4. Step 4: Simplify right side
    148,849.20x = 20,050,031,894.76
  5. Step 5: Solve for x
    x = 20,050,031,894.76/148,849.20
  6. Step 6: Final answer
    x = 134,700.30

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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.