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Finding the Fourth Proportional to 155,287.20, 232,930.80 and 44,464.80

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Solution

The fourth proportional to 155,287.20, 232,930.80 and 44,464.80 is: 66,697.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,287.20 : 232,930.80 = 44,464.80 : x
  2. Step 2: Convert to fraction form
    155,287.20/232,930.80 = 44,464.80/x
  3. Step 3: Cross multiply
    155,287.20x = 232,930.80 × 44,464.80
  4. Step 4: Simplify right side
    155,287.20x = 10,357,221,435.84
  5. Step 5: Solve for x
    x = 10,357,221,435.84/155,287.20
  6. Step 6: Final answer
    x = 66,697.20

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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.