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Finding the Fourth Proportional to 174,702, 261,841.58 and 124,021.30

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Solution

The fourth proportional to 174,702, 261,841.58 and 124,021.30 is: 185,881.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,702 : 261,841.58 = 124,021.30 : x
  2. Step 2: Convert to fraction form
    174,702/261,841.58 = 124,021.30/x
  3. Step 3: Cross multiply
    174,702x = 261,841.58 × 124,021.30
  4. Step 4: Simplify right side
    174,702x = 32,473,933,145.65
  5. Step 5: Solve for x
    x = 32,473,933,145.65/174,702
  6. Step 6: Final answer
    x = 185,881.86

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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.