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Finding the Fourth Proportional to 202,664.48, 304,058.24 and 143,614.40

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Solution

The fourth proportional to 202,664.48, 304,058.24 and 143,614.40 is: 215,465.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,664.48 : 304,058.24 = 143,614.40 : x
  2. Step 2: Convert to fraction form
    202,664.48/304,058.24 = 143,614.40/x
  3. Step 3: Cross multiply
    202,664.48x = 304,058.24 × 143,614.40
  4. Step 4: Simplify right side
    202,664.48x = 43,667,141,702.66
  5. Step 5: Solve for x
    x = 43,667,141,702.66/202,664.48
  6. Step 6: Final answer
    x = 215,465.19

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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.