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Finding the Fourth Proportional to 274,005.30, 410,813.55 and 124,317.30

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Solution

The fourth proportional to 274,005.30, 410,813.55 and 124,317.30 is: 186,387.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,005.30 : 410,813.55 = 124,317.30 : x
  2. Step 2: Convert to fraction form
    274,005.30/410,813.55 = 124,317.30/x
  3. Step 3: Cross multiply
    274,005.30x = 410,813.55 × 124,317.30
  4. Step 4: Simplify right side
    274,005.30x = 51,071,231,339.42
  5. Step 5: Solve for x
    x = 51,071,231,339.42/274,005.30
  6. Step 6: Final answer
    x = 186,387.75

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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.