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Finding the Fourth Proportional to 121,615.29, 167,827.46 and 67,901.13

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Solution

The fourth proportional to 121,615.29, 167,827.46 and 67,901.13 is: 93,702.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,615.29 : 167,827.46 = 67,901.13 : x
  2. Step 2: Convert to fraction form
    121,615.29/167,827.46 = 67,901.13/x
  3. Step 3: Cross multiply
    121,615.29x = 167,827.46 × 67,901.13
  4. Step 4: Simplify right side
    121,615.29x = 11,395,673,339.89
  5. Step 5: Solve for x
    x = 11,395,673,339.89/121,615.29
  6. Step 6: Final answer
    x = 93,702.64

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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.