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Finding the Fourth Proportional to 121,097.58, 167,114.66 and 67,386.06

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Solution

The fourth proportional to 121,097.58, 167,114.66 and 67,386.06 is: 92,992.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,097.58 : 167,114.66 = 67,386.06 : x
  2. Step 2: Convert to fraction form
    121,097.58/167,114.66 = 67,386.06/x
  3. Step 3: Cross multiply
    121,097.58x = 167,114.66 × 67,386.06
  4. Step 4: Simplify right side
    121,097.58x = 11,261,198,505.64
  5. Step 5: Solve for x
    x = 11,261,198,505.64/121,097.58
  6. Step 6: Final answer
    x = 92,992.76

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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.