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Finding the Fourth Proportional to 77,248.54, 115,884.51 and 27,329.20

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Solution

The fourth proportional to 77,248.54, 115,884.51 and 27,329.20 is: 40,997.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,248.54 : 115,884.51 = 27,329.20 : x
  2. Step 2: Convert to fraction form
    77,248.54/115,884.51 = 27,329.20/x
  3. Step 3: Cross multiply
    77,248.54x = 115,884.51 × 27,329.20
  4. Step 4: Simplify right side
    77,248.54x = 3,167,030,950.69
  5. Step 5: Solve for x
    x = 3,167,030,950.69/77,248.54
  6. Step 6: Final answer
    x = 40,997.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.