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Finding the Fourth Proportional to 177,770.70, 266,694.45 and 53,124.30

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Solution

The fourth proportional to 177,770.70, 266,694.45 and 53,124.30 is: 79,697.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,770.70 : 266,694.45 = 53,124.30 : x
  2. Step 2: Convert to fraction form
    177,770.70/266,694.45 = 53,124.30/x
  3. Step 3: Cross multiply
    177,770.70x = 266,694.45 × 53,124.30
  4. Step 4: Simplify right side
    177,770.70x = 14,167,955,970.14
  5. Step 5: Solve for x
    x = 14,167,955,970.14/177,770.70
  6. Step 6: Final answer
    x = 79,697.93

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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.