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Finding the Fourth Proportional to 177,809.20, 266,713.80 and 53,150.20

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Solution

The fourth proportional to 177,809.20, 266,713.80 and 53,150.20 is: 79,725.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,809.20 : 266,713.80 = 53,150.20 : x
  2. Step 2: Convert to fraction form
    177,809.20/266,713.80 = 53,150.20/x
  3. Step 3: Cross multiply
    177,809.20x = 266,713.80 × 53,150.20
  4. Step 4: Simplify right side
    177,809.20x = 14,175,891,812.76
  5. Step 5: Solve for x
    x = 14,175,891,812.76/177,809.20
  6. Step 6: Final answer
    x = 79,725.30

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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.