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Finding the Fourth Proportional to 177,969.60, 266,876.64 and 53,281.44

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Solution

The fourth proportional to 177,969.60, 266,876.64 and 53,281.44 is: 79,898.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,969.60 : 266,876.64 = 53,281.44 : x
  2. Step 2: Convert to fraction form
    177,969.60/266,876.64 = 53,281.44/x
  3. Step 3: Cross multiply
    177,969.60x = 266,876.64 × 53,281.44
  4. Step 4: Simplify right side
    177,969.60x = 14,219,571,681.56
  5. Step 5: Solve for x
    x = 14,219,571,681.56/177,969.60
  6. Step 6: Final answer
    x = 79,898.88

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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.