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Finding the Fourth Proportional to 174,690.69, 261,971.57 and 62,340.86

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Solution

The fourth proportional to 174,690.69, 261,971.57 and 62,340.86 is: 93,488.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,690.69 : 261,971.57 = 62,340.86 : x
  2. Step 2: Convert to fraction form
    174,690.69/261,971.57 = 62,340.86/x
  3. Step 3: Cross multiply
    174,690.69x = 261,971.57 × 62,340.86
  4. Step 4: Simplify right side
    174,690.69x = 16,331,531,659.49
  5. Step 5: Solve for x
    x = 16,331,531,659.49/174,690.69
  6. Step 6: Final answer
    x = 93,488.28

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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.