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Finding the Fourth Proportional to 73,863.12, 101,931.66 and 42,034.44

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Solution

The fourth proportional to 73,863.12, 101,931.66 and 42,034.44 is: 58,007.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,863.12 : 101,931.66 = 42,034.44 : x
  2. Step 2: Convert to fraction form
    73,863.12/101,931.66 = 42,034.44/x
  3. Step 3: Cross multiply
    73,863.12x = 101,931.66 × 42,034.44
  4. Step 4: Simplify right side
    73,863.12x = 4,284,640,246.37
  5. Step 5: Solve for x
    x = 4,284,640,246.37/73,863.12
  6. Step 6: Final answer
    x = 58,007.84

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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.