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Finding the Fourth Proportional to 112,433.20, 168,601.20 and 56,251.60

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Solution

The fourth proportional to 112,433.20, 168,601.20 and 56,251.60 is: 84,353.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,433.20 : 168,601.20 = 56,251.60 : x
  2. Step 2: Convert to fraction form
    112,433.20/168,601.20 = 56,251.60/x
  3. Step 3: Cross multiply
    112,433.20x = 168,601.20 × 56,251.60
  4. Step 4: Simplify right side
    112,433.20x = 9,484,087,261.92
  5. Step 5: Solve for x
    x = 9,484,087,261.92/112,433.20
  6. Step 6: Final answer
    x = 84,353.08

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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.