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Finding the Fourth Proportional to 203,195.32, 304,813.02 and 70,058.04

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Solution

The fourth proportional to 203,195.32, 304,813.02 and 70,058.04 is: 105,093.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,195.32 : 304,813.02 = 70,058.04 : x
  2. Step 2: Convert to fraction form
    203,195.32/304,813.02 = 70,058.04/x
  3. Step 3: Cross multiply
    203,195.32x = 304,813.02 × 70,058.04
  4. Step 4: Simplify right side
    203,195.32x = 21,354,602,747.68
  5. Step 5: Solve for x
    x = 21,354,602,747.68/203,195.32
  6. Step 6: Final answer
    x = 105,093.97

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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.