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Finding the Fourth Proportional to 121,465.44, 167,622.48 and 67,749.04

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Solution

The fourth proportional to 121,465.44, 167,622.48 and 67,749.04 is: 93,493.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,465.44 : 167,622.48 = 67,749.04 : x
  2. Step 2: Convert to fraction form
    121,465.44/167,622.48 = 67,749.04/x
  3. Step 3: Cross multiply
    121,465.44x = 167,622.48 × 67,749.04
  4. Step 4: Simplify right side
    121,465.44x = 11,356,262,102.42
  5. Step 5: Solve for x
    x = 11,356,262,102.42/121,465.44
  6. Step 6: Final answer
    x = 93,493.77

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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.