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Finding the Fourth Proportional to 122,010.32, 168,366.42 and 67,558.88

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Solution

The fourth proportional to 122,010.32, 168,366.42 and 67,558.88 is: 93,226.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,010.32 : 168,366.42 = 67,558.88 : x
  2. Step 2: Convert to fraction form
    122,010.32/168,366.42 = 67,558.88/x
  3. Step 3: Cross multiply
    122,010.32x = 168,366.42 × 67,558.88
  4. Step 4: Simplify right side
    122,010.32x = 11,374,646,764.81
  5. Step 5: Solve for x
    x = 11,374,646,764.81/122,010.32
  6. Step 6: Final answer
    x = 93,226.92

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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.