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Finding the Fourth Proportional to 215,244.40, 322,823.40 and 102,924.40

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Solution

The fourth proportional to 215,244.40, 322,823.40 and 102,924.40 is: 154,365.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,244.40 : 322,823.40 = 102,924.40 : x
  2. Step 2: Convert to fraction form
    215,244.40/322,823.40 = 102,924.40/x
  3. Step 3: Cross multiply
    215,244.40x = 322,823.40 × 102,924.40
  4. Step 4: Simplify right side
    215,244.40x = 33,226,404,750.96
  5. Step 5: Solve for x
    x = 33,226,404,750.96/215,244.40
  6. Step 6: Final answer
    x = 154,365.94

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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.