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Finding the Fourth Proportional to 121,048.98, 167,045.16 and 67,332.84

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Solution

The fourth proportional to 121,048.98, 167,045.16 and 67,332.84 is: 92,917.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,048.98 : 167,045.16 = 67,332.84 : x
  2. Step 2: Convert to fraction form
    121,048.98/167,045.16 = 67,332.84/x
  3. Step 3: Cross multiply
    121,048.98x = 167,045.16 × 67,332.84
  4. Step 4: Simplify right side
    121,048.98x = 11,247,625,031.05
  5. Step 5: Solve for x
    x = 11,247,625,031.05/121,048.98
  6. Step 6: Final answer
    x = 92,917.97

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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.