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Finding the Fourth Proportional to 177,640.20, 266,460.30 and 52,981.20

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Solution

The fourth proportional to 177,640.20, 266,460.30 and 52,981.20 is: 79,471.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,640.20 : 266,460.30 = 52,981.20 : x
  2. Step 2: Convert to fraction form
    177,640.20/266,460.30 = 52,981.20/x
  3. Step 3: Cross multiply
    177,640.20x = 266,460.30 × 52,981.20
  4. Step 4: Simplify right side
    177,640.20x = 14,117,386,446.36
  5. Step 5: Solve for x
    x = 14,117,386,446.36/177,640.20
  6. Step 6: Final answer
    x = 79,471.80

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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.