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Finding the Fourth Proportional to 110,959.74, 153,127.16 and 67,352.78

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Solution

The fourth proportional to 110,959.74, 153,127.16 and 67,352.78 is: 92,948.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,959.74 : 153,127.16 = 67,352.78 : x
  2. Step 2: Convert to fraction form
    110,959.74/153,127.16 = 67,352.78/x
  3. Step 3: Cross multiply
    110,959.74x = 153,127.16 × 67,352.78
  4. Step 4: Simplify right side
    110,959.74x = 10,313,540,218.13
  5. Step 5: Solve for x
    x = 10,313,540,218.13/110,959.74
  6. Step 6: Final answer
    x = 92,948.49

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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.