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Finding the Fourth Proportional to 73,016.10, 100,703.88 and 50,349.88

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Solution

The fourth proportional to 73,016.10, 100,703.88 and 50,349.88 is: 69,442.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,016.10 : 100,703.88 = 50,349.88 : x
  2. Step 2: Convert to fraction form
    73,016.10/100,703.88 = 50,349.88/x
  3. Step 3: Cross multiply
    73,016.10x = 100,703.88 × 50,349.88
  4. Step 4: Simplify right side
    73,016.10x = 5,070,428,273.53
  5. Step 5: Solve for x
    x = 5,070,428,273.53/73,016.10
  6. Step 6: Final answer
    x = 69,442.61

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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.