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Finding the Fourth Proportional to 112,540.68, 168,525.34 and 67,533.74

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Solution

The fourth proportional to 112,540.68, 168,525.34 and 67,533.74 is: 101,129.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,540.68 : 168,525.34 = 67,533.74 : x
  2. Step 2: Convert to fraction form
    112,540.68/168,525.34 = 67,533.74/x
  3. Step 3: Cross multiply
    112,540.68x = 168,525.34 × 67,533.74
  4. Step 4: Simplify right side
    112,540.68x = 11,381,146,494.97
  5. Step 5: Solve for x
    x = 11,381,146,494.97/112,540.68
  6. Step 6: Final answer
    x = 101,129.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.