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Finding the Fourth Proportional to 86,952.89, 119,991.55 and 49,227.14

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Solution

The fourth proportional to 86,952.89, 119,991.55 and 49,227.14 is: 67,931.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,952.89 : 119,991.55 = 49,227.14 : x
  2. Step 2: Convert to fraction form
    86,952.89/119,991.55 = 49,227.14/x
  3. Step 3: Cross multiply
    86,952.89x = 119,991.55 × 49,227.14
  4. Step 4: Simplify right side
    86,952.89x = 5,906,840,830.67
  5. Step 5: Solve for x
    x = 5,906,840,830.67/86,952.89
  6. Step 6: Final answer
    x = 67,931.51

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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.