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Finding the Fourth Proportional to 86,593.78, 119,497.17 and 48,867.76

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Solution

The fourth proportional to 86,593.78, 119,497.17 and 48,867.76 is: 67,436.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,593.78 : 119,497.17 = 48,867.76 : x
  2. Step 2: Convert to fraction form
    86,593.78/119,497.17 = 48,867.76/x
  3. Step 3: Cross multiply
    86,593.78x = 119,497.17 × 48,867.76
  4. Step 4: Simplify right side
    86,593.78x = 5,839,559,024.24
  5. Step 5: Solve for x
    x = 5,839,559,024.24/86,593.78
  6. Step 6: Final answer
    x = 67,436.24

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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.