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Finding the Fourth Proportional to 112,655.44, 155,454 and 67,324.48

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Solution

The fourth proportional to 112,655.44, 155,454 and 67,324.48 is: 92,901.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,655.44 : 155,454 = 67,324.48 : x
  2. Step 2: Convert to fraction form
    112,655.44/155,454 = 67,324.48/x
  3. Step 3: Cross multiply
    112,655.44x = 155,454 × 67,324.48
  4. Step 4: Simplify right side
    112,655.44x = 10,465,859,713.92
  5. Step 5: Solve for x
    x = 10,465,859,713.92/112,655.44
  6. Step 6: Final answer
    x = 92,901.50

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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.