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Finding the Fourth Proportional to 269,645.50, 372,096.30 and 148,763.12

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Solution

The fourth proportional to 269,645.50, 372,096.30 and 148,763.12 is: 205,285.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,645.50 : 372,096.30 = 148,763.12 : x
  2. Step 2: Convert to fraction form
    269,645.50/372,096.30 = 148,763.12/x
  3. Step 3: Cross multiply
    269,645.50x = 372,096.30 × 148,763.12
  4. Step 4: Simplify right side
    269,645.50x = 55,354,206,528.46
  5. Step 5: Solve for x
    x = 55,354,206,528.46/269,645.50
  6. Step 6: Final answer
    x = 205,285.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.