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Finding the Fourth Proportional to 118,616.20, 177,904.46 and 52,038.48

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Solution

The fourth proportional to 118,616.20, 177,904.46 and 52,038.48 is: 78,049.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,616.20 : 177,904.46 = 52,038.48 : x
  2. Step 2: Convert to fraction form
    118,616.20/177,904.46 = 52,038.48/x
  3. Step 3: Cross multiply
    118,616.20x = 177,904.46 × 52,038.48
  4. Step 4: Simplify right side
    118,616.20x = 9,257,877,683.62
  5. Step 5: Solve for x
    x = 9,257,877,683.62/118,616.20
  6. Step 6: Final answer
    x = 78,049.02

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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.