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Finding the Fourth Proportional to 73,226.79, 101,055.36 and 40,521.59

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Solution

The fourth proportional to 73,226.79, 101,055.36 and 40,521.59 is: 55,921.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,226.79 : 101,055.36 = 40,521.59 : x
  2. Step 2: Convert to fraction form
    73,226.79/101,055.36 = 40,521.59/x
  3. Step 3: Cross multiply
    73,226.79x = 101,055.36 × 40,521.59
  4. Step 4: Simplify right side
    73,226.79x = 4,094,923,359.95
  5. Step 5: Solve for x
    x = 4,094,923,359.95/73,226.79
  6. Step 6: Final answer
    x = 55,921.11

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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.