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Finding the Fourth Proportional to 248,191.60, 372,287.40 and 153,713.20

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Solution

The fourth proportional to 248,191.60, 372,287.40 and 153,713.20 is: 230,569.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,191.60 : 372,287.40 = 153,713.20 : x
  2. Step 2: Convert to fraction form
    248,191.60/372,287.40 = 153,713.20/x
  3. Step 3: Cross multiply
    248,191.60x = 372,287.40 × 153,713.20
  4. Step 4: Simplify right side
    248,191.60x = 57,225,487,573.68
  5. Step 5: Solve for x
    x = 57,225,487,573.68/248,191.60
  6. Step 6: Final answer
    x = 230,569.80

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Similar ratio
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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.