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Finding the Fourth Proportional to 121,184.59, 167,191.45 and 70,169.47

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Solution

The fourth proportional to 121,184.59, 167,191.45 and 70,169.47 is: 96,808.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,184.59 : 167,191.45 = 70,169.47 : x
  2. Step 2: Convert to fraction form
    121,184.59/167,191.45 = 70,169.47/x
  3. Step 3: Cross multiply
    121,184.59x = 167,191.45 × 70,169.47
  4. Step 4: Simplify right side
    121,184.59x = 11,731,735,435.03
  5. Step 5: Solve for x
    x = 11,731,735,435.03/121,184.59
  6. Step 6: Final answer
    x = 96,808.81

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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.