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Finding the Fourth Proportional to 155,595.20, 233,425.20 and 88,980.80

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Solution

The fourth proportional to 155,595.20, 233,425.20 and 88,980.80 is: 133,489.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,595.20 : 233,425.20 = 88,980.80 : x
  2. Step 2: Convert to fraction form
    155,595.20/233,425.20 = 88,980.80/x
  3. Step 3: Cross multiply
    155,595.20x = 233,425.20 × 88,980.80
  4. Step 4: Simplify right side
    155,595.20x = 20,770,361,036.16
  5. Step 5: Solve for x
    x = 20,770,361,036.16/155,595.20
  6. Step 6: Final answer
    x = 133,489.73

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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.