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Finding the Fourth Proportional to 277,377.88, 416,129.52 and 87,849.76

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Solution

The fourth proportional to 277,377.88, 416,129.52 and 87,849.76 is: 131,794.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,377.88 : 416,129.52 = 87,849.76 : x
  2. Step 2: Convert to fraction form
    277,377.88/416,129.52 = 87,849.76/x
  3. Step 3: Cross multiply
    277,377.88x = 416,129.52 × 87,849.76
  4. Step 4: Simplify right side
    277,377.88x = 36,556,878,460.92
  5. Step 5: Solve for x
    x = 36,556,878,460.92/277,377.88
  6. Step 6: Final answer
    x = 131,794.50

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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.