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Finding the Fourth Proportional to 124,245.46, 171,458.76 and 67,656.88

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Solution

The fourth proportional to 124,245.46, 171,458.76 and 67,656.88 is: 93,366.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,245.46 : 171,458.76 = 67,656.88 : x
  2. Step 2: Convert to fraction form
    124,245.46/171,458.76 = 67,656.88/x
  3. Step 3: Cross multiply
    124,245.46x = 171,458.76 × 67,656.88
  4. Step 4: Simplify right side
    124,245.46x = 11,600,364,750.27
  5. Step 5: Solve for x
    x = 11,600,364,750.27/124,245.46
  6. Step 6: Final answer
    x = 93,366.51

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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.