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Finding the Fourth Proportional to 121,615.27, 167,822.03 and 67,903.69

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Solution

The fourth proportional to 121,615.27, 167,822.03 and 67,903.69 is: 93,703.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,615.27 : 167,822.03 = 67,903.69 : x
  2. Step 2: Convert to fraction form
    121,615.27/167,822.03 = 67,903.69/x
  3. Step 3: Cross multiply
    121,615.27x = 167,822.03 × 67,903.69
  4. Step 4: Simplify right side
    121,615.27x = 11,395,735,255.20
  5. Step 5: Solve for x
    x = 11,395,735,255.20/121,615.27
  6. Step 6: Final answer
    x = 93,703.16

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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.