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Finding the Fourth Proportional to 99,263.64, 136,992.22 and 54,560.92

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Solution

The fourth proportional to 99,263.64, 136,992.22 and 54,560.92 is: 75,298.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,263.64 : 136,992.22 = 54,560.92 : x
  2. Step 2: Convert to fraction form
    99,263.64/136,992.22 = 54,560.92/x
  3. Step 3: Cross multiply
    99,263.64x = 136,992.22 × 54,560.92
  4. Step 4: Simplify right side
    99,263.64x = 7,474,421,556.04
  5. Step 5: Solve for x
    x = 7,474,421,556.04/99,263.64
  6. Step 6: Final answer
    x = 75,298.68

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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.