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Finding the Fourth Proportional to 174,818.52, 261,663.82 and 90,462.62

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Solution

The fourth proportional to 174,818.52, 261,663.82 and 90,462.62 is: 135,402.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,818.52 : 261,663.82 = 90,462.62 : x
  2. Step 2: Convert to fraction form
    174,818.52/261,663.82 = 90,462.62/x
  3. Step 3: Cross multiply
    174,818.52x = 261,663.82 × 90,462.62
  4. Step 4: Simplify right side
    174,818.52x = 23,670,795,144.41
  5. Step 5: Solve for x
    x = 23,670,795,144.41/174,818.52
  6. Step 6: Final answer
    x = 135,402.10

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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.