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Finding the Fourth Proportional to 121,264.32, 167,344.44 and 67,548.76

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Solution

The fourth proportional to 121,264.32, 167,344.44 and 67,548.76 is: 93,217.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,264.32 : 167,344.44 = 67,548.76 : x
  2. Step 2: Convert to fraction form
    121,264.32/167,344.44 = 67,548.76/x
  3. Step 3: Cross multiply
    121,264.32x = 167,344.44 × 67,548.76
  4. Step 4: Simplify right side
    121,264.32x = 11,303,909,414.89
  5. Step 5: Solve for x
    x = 11,303,909,414.89/121,264.32
  6. Step 6: Final answer
    x = 93,217.11

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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.