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Finding the Fourth Proportional to 121,245.59, 167,338.71 and 92,510.84

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Solution

The fourth proportional to 121,245.59, 167,338.71 and 92,510.84 is: 127,680.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,245.59 : 167,338.71 = 92,510.84 : x
  2. Step 2: Convert to fraction form
    121,245.59/167,338.71 = 92,510.84/x
  3. Step 3: Cross multiply
    121,245.59x = 167,338.71 × 92,510.84
  4. Step 4: Simplify right side
    121,245.59x = 15,480,645,044.96
  5. Step 5: Solve for x
    x = 15,480,645,044.96/121,245.59
  6. Step 6: Final answer
    x = 127,680.06

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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.