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Finding the Fourth Proportional to 177,801.20, 266,740.20 and 53,154.80

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Solution

The fourth proportional to 177,801.20, 266,740.20 and 53,154.80 is: 79,743.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,801.20 : 266,740.20 = 53,154.80 : x
  2. Step 2: Convert to fraction form
    177,801.20/266,740.20 = 53,154.80/x
  3. Step 3: Cross multiply
    177,801.20x = 266,740.20 × 53,154.80
  4. Step 4: Simplify right side
    177,801.20x = 14,178,521,982.96
  5. Step 5: Solve for x
    x = 14,178,521,982.96/177,801.20
  6. Step 6: Final answer
    x = 79,743.68

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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.