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Finding the Fourth Proportional to 155,817.30, 233,835.30 and 99,793.65

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Solution

The fourth proportional to 155,817.30, 233,835.30 and 99,793.65 is: 149,760.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,817.30 : 233,835.30 = 99,793.65 : x
  2. Step 2: Convert to fraction form
    155,817.30/233,835.30 = 99,793.65/x
  3. Step 3: Cross multiply
    155,817.30x = 233,835.30 × 99,793.65
  4. Step 4: Simplify right side
    155,817.30x = 23,335,278,085.85
  5. Step 5: Solve for x
    x = 23,335,278,085.85/155,817.30
  6. Step 6: Final answer
    x = 149,760.51

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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.