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Finding the Fourth Proportional to 112,793.66, 155,655.25 and 67,473.55

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Solution

The fourth proportional to 112,793.66, 155,655.25 and 67,473.55 is: 93,113.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,793.66 : 155,655.25 = 67,473.55 : x
  2. Step 2: Convert to fraction form
    112,793.66/155,655.25 = 67,473.55/x
  3. Step 3: Cross multiply
    112,793.66x = 155,655.25 × 67,473.55
  4. Step 4: Simplify right side
    112,793.66x = 10,502,612,293.64
  5. Step 5: Solve for x
    x = 10,502,612,293.64/112,793.66
  6. Step 6: Final answer
    x = 93,113.50

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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.