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Finding the Fourth Proportional to 113,957.88, 157,276.56 and 68,659.44

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Solution

The fourth proportional to 113,957.88, 157,276.56 and 68,659.44 is: 94,758.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,957.88 : 157,276.56 = 68,659.44 : x
  2. Step 2: Convert to fraction form
    113,957.88/157,276.56 = 68,659.44/x
  3. Step 3: Cross multiply
    113,957.88x = 157,276.56 × 68,659.44
  4. Step 4: Simplify right side
    113,957.88x = 10,798,520,534.73
  5. Step 5: Solve for x
    x = 10,798,520,534.73/113,957.88
  6. Step 6: Final answer
    x = 94,758.88

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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.