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Finding the Fourth Proportional to 269,322.89, 403,994.55 and 100,825.52

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Solution

The fourth proportional to 269,322.89, 403,994.55 and 100,825.52 is: 151,242.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,322.89 : 403,994.55 = 100,825.52 : x
  2. Step 2: Convert to fraction form
    269,322.89/403,994.55 = 100,825.52/x
  3. Step 3: Cross multiply
    269,322.89x = 403,994.55 × 100,825.52
  4. Step 4: Simplify right side
    269,322.89x = 40,732,960,580.92
  5. Step 5: Solve for x
    x = 40,732,960,580.92/269,322.89
  6. Step 6: Final answer
    x = 151,242.10

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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.