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Finding the Fourth Proportional to 77,995.25, 116,992.88 and 25,404.74

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Solution

The fourth proportional to 77,995.25, 116,992.88 and 25,404.74 is: 38,107.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,995.25 : 116,992.88 = 25,404.74 : x
  2. Step 2: Convert to fraction form
    77,995.25/116,992.88 = 25,404.74/x
  3. Step 3: Cross multiply
    77,995.25x = 116,992.88 × 25,404.74
  4. Step 4: Simplify right side
    77,995.25x = 2,972,173,176.80
  5. Step 5: Solve for x
    x = 2,972,173,176.80/77,995.25
  6. Step 6: Final answer
    x = 38,107.10

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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.