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Finding the Fourth Proportional to 177,800.70, 266,739.45 and 53,154.30

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Solution

The fourth proportional to 177,800.70, 266,739.45 and 53,154.30 is: 79,742.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,800.70 : 266,739.45 = 53,154.30 : x
  2. Step 2: Convert to fraction form
    177,800.70/266,739.45 = 53,154.30/x
  3. Step 3: Cross multiply
    177,800.70x = 266,739.45 × 53,154.30
  4. Step 4: Simplify right side
    177,800.70x = 14,178,348,747.14
  5. Step 5: Solve for x
    x = 14,178,348,747.14/177,800.70
  6. Step 6: Final answer
    x = 79,742.93

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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.