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Finding the Fourth Proportional to 73,277.61, 101,123.28 and 39,743.61

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Solution

The fourth proportional to 73,277.61, 101,123.28 and 39,743.61 is: 54,846.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,277.61 : 101,123.28 = 39,743.61 : x
  2. Step 2: Convert to fraction form
    73,277.61/101,123.28 = 39,743.61/x
  3. Step 3: Cross multiply
    73,277.61x = 101,123.28 × 39,743.61
  4. Step 4: Simplify right side
    73,277.61x = 4,019,004,202.24
  5. Step 5: Solve for x
    x = 4,019,004,202.24/73,277.61
  6. Step 6: Final answer
    x = 54,846.28

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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.