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Finding the Fourth Proportional to 118,520.10, 177,492.15 and 62,993.70

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Solution

The fourth proportional to 118,520.10, 177,492.15 and 62,993.70 is: 94,337.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,520.10 : 177,492.15 = 62,993.70 : x
  2. Step 2: Convert to fraction form
    118,520.10/177,492.15 = 62,993.70/x
  3. Step 3: Cross multiply
    118,520.10x = 177,492.15 × 62,993.70
  4. Step 4: Simplify right side
    118,520.10x = 11,180,887,249.46
  5. Step 5: Solve for x
    x = 11,180,887,249.46/118,520.10
  6. Step 6: Final answer
    x = 94,337.48

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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.