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Finding the Fourth Proportional to 177,841.60, 266,671.20 and 53,166.40

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Solution

The fourth proportional to 177,841.60, 266,671.20 and 53,166.40 is: 79,722.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,841.60 : 266,671.20 = 53,166.40 : x
  2. Step 2: Convert to fraction form
    177,841.60/266,671.20 = 53,166.40/x
  3. Step 3: Cross multiply
    177,841.60x = 266,671.20 × 53,166.40
  4. Step 4: Simplify right side
    177,841.60x = 14,177,947,687.68
  5. Step 5: Solve for x
    x = 14,177,947,687.68/177,841.60
  6. Step 6: Final answer
    x = 79,722.34

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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.