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Finding the Fourth Proportional to 177,817.20, 266,725.80 and 53,158.20

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Solution

The fourth proportional to 177,817.20, 266,725.80 and 53,158.20 is: 79,737.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,817.20 : 266,725.80 = 53,158.20 : x
  2. Step 2: Convert to fraction form
    177,817.20/266,725.80 = 53,158.20/x
  3. Step 3: Cross multiply
    177,817.20x = 266,725.80 × 53,158.20
  4. Step 4: Simplify right side
    177,817.20x = 14,178,663,421.56
  5. Step 5: Solve for x
    x = 14,178,663,421.56/177,817.20
  6. Step 6: Final answer
    x = 79,737.30

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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.