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Finding the Fourth Proportional to 121,048.36, 167,027.47 and 67,333.21

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Solution

The fourth proportional to 121,048.36, 167,027.47 and 67,333.21 is: 92,909.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,048.36 : 167,027.47 = 67,333.21 : x
  2. Step 2: Convert to fraction form
    121,048.36/167,027.47 = 67,333.21/x
  3. Step 3: Cross multiply
    121,048.36x = 167,027.47 × 67,333.21
  4. Step 4: Simplify right side
    121,048.36x = 11,246,495,713.28
  5. Step 5: Solve for x
    x = 11,246,495,713.28/121,048.36
  6. Step 6: Final answer
    x = 92,909.11

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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.