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Finding the Fourth Proportional to 154,959.76, 213,801.96 and 94,540.24

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Solution

The fourth proportional to 154,959.76, 213,801.96 and 94,540.24 is: 130,439.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,959.76 : 213,801.96 = 94,540.24 : x
  2. Step 2: Convert to fraction form
    154,959.76/213,801.96 = 94,540.24/x
  3. Step 3: Cross multiply
    154,959.76x = 213,801.96 × 94,540.24
  4. Step 4: Simplify right side
    154,959.76x = 20,212,888,610.87
  5. Step 5: Solve for x
    x = 20,212,888,610.87/154,959.76
  6. Step 6: Final answer
    x = 130,439.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.