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Finding the Fourth Proportional to 121,245.52, 167,324.01 and 67,530.55

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Solution

The fourth proportional to 121,245.52, 167,324.01 and 67,530.55 is: 93,195.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,245.52 : 167,324.01 = 67,530.55 : x
  2. Step 2: Convert to fraction form
    121,245.52/167,324.01 = 67,530.55/x
  3. Step 3: Cross multiply
    121,245.52x = 167,324.01 × 67,530.55
  4. Step 4: Simplify right side
    121,245.52x = 11,299,482,423.51
  5. Step 5: Solve for x
    x = 11,299,482,423.51/121,245.52
  6. Step 6: Final answer
    x = 93,195.05

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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.