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Finding the Fourth Proportional to 122,347.56, 168,854.44 and 68,622.42

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Solution

The fourth proportional to 122,347.56, 168,854.44 and 68,622.42 is: 94,707.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,347.56 : 168,854.44 = 68,622.42 : x
  2. Step 2: Convert to fraction form
    122,347.56/168,854.44 = 68,622.42/x
  3. Step 3: Cross multiply
    122,347.56x = 168,854.44 × 68,622.42
  4. Step 4: Simplify right side
    122,347.56x = 11,587,200,300.54
  5. Step 5: Solve for x
    x = 11,587,200,300.54/122,347.56
  6. Step 6: Final answer
    x = 94,707.24

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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.