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Finding the Fourth Proportional to 111,760.56, 154,245.24 and 69,332.76

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Solution

The fourth proportional to 111,760.56, 154,245.24 and 69,332.76 is: 95,688.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,760.56 : 154,245.24 = 69,332.76 : x
  2. Step 2: Convert to fraction form
    111,760.56/154,245.24 = 69,332.76/x
  3. Step 3: Cross multiply
    111,760.56x = 154,245.24 × 69,332.76
  4. Step 4: Simplify right side
    111,760.56x = 10,694,248,206.06
  5. Step 5: Solve for x
    x = 10,694,248,206.06/111,760.56
  6. Step 6: Final answer
    x = 95,688.93

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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.