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Finding the Fourth Proportional to 269,824.52, 404,756.40 and 103,612.52

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Solution

The fourth proportional to 269,824.52, 404,756.40 and 103,612.52 is: 155,426.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,824.52 : 404,756.40 = 103,612.52 : x
  2. Step 2: Convert to fraction form
    269,824.52/404,756.40 = 103,612.52/x
  3. Step 3: Cross multiply
    269,824.52x = 404,756.40 × 103,612.52
  4. Step 4: Simplify right side
    269,824.52x = 41,937,830,590.13
  5. Step 5: Solve for x
    x = 41,937,830,590.13/269,824.52
  6. Step 6: Final answer
    x = 155,426.31

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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.