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Finding the Fourth Proportional to 73,221.54, 101,045.04 and 40,955.78

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Solution

The fourth proportional to 73,221.54, 101,045.04 and 40,955.78 is: 56,518.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,221.54 : 101,045.04 = 40,955.78 : x
  2. Step 2: Convert to fraction form
    73,221.54/101,045.04 = 40,955.78/x
  3. Step 3: Cross multiply
    73,221.54x = 101,045.04 × 40,955.78
  4. Step 4: Simplify right side
    73,221.54x = 4,138,377,923.11
  5. Step 5: Solve for x
    x = 4,138,377,923.11/73,221.54
  6. Step 6: Final answer
    x = 56,518.59

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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.