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Finding the Fourth Proportional to 73,183.77, 100,937.88 and 62,992.15

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Solution

The fourth proportional to 73,183.77, 100,937.88 and 62,992.15 is: 86,881.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,183.77 : 100,937.88 = 62,992.15 : x
  2. Step 2: Convert to fraction form
    73,183.77/100,937.88 = 62,992.15/x
  3. Step 3: Cross multiply
    73,183.77x = 100,937.88 × 62,992.15
  4. Step 4: Simplify right side
    73,183.77x = 6,358,293,521.13
  5. Step 5: Solve for x
    x = 6,358,293,521.13/73,183.77
  6. Step 6: Final answer
    x = 86,881.20

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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.