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Finding the Fourth Proportional to 155,719.80, 233,251.65 and 155,719.80

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Solution

The fourth proportional to 155,719.80, 233,251.65 and 155,719.80 is: 233,251.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,719.80 : 233,251.65 = 155,719.80 : x
  2. Step 2: Convert to fraction form
    155,719.80/233,251.65 = 155,719.80/x
  3. Step 3: Cross multiply
    155,719.80x = 233,251.65 × 155,719.80
  4. Step 4: Simplify right side
    155,719.80x = 36,321,900,287.67
  5. Step 5: Solve for x
    x = 36,321,900,287.67/155,719.80
  6. Step 6: Final answer
    x = 233,251.65

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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.