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Finding the Fourth Proportional to 118,514.76, 177,772.14 and 35,408.76

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Solution

The fourth proportional to 118,514.76, 177,772.14 and 35,408.76 is: 53,113.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,514.76 : 177,772.14 = 35,408.76 : x
  2. Step 2: Convert to fraction form
    118,514.76/177,772.14 = 35,408.76/x
  3. Step 3: Cross multiply
    118,514.76x = 177,772.14 × 35,408.76
  4. Step 4: Simplify right side
    118,514.76x = 6,294,691,039.95
  5. Step 5: Solve for x
    x = 6,294,691,039.95/118,514.76
  6. Step 6: Final answer
    x = 53,113.14

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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.