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Finding the Fourth Proportional to 141,348, 195,058.04 and 77,684.43

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Solution

The fourth proportional to 141,348, 195,058.04 and 77,684.43 is: 107,203.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,348 : 195,058.04 = 77,684.43 : x
  2. Step 2: Convert to fraction form
    141,348/195,058.04 = 77,684.43/x
  3. Step 3: Cross multiply
    141,348x = 195,058.04 × 77,684.43
  4. Step 4: Simplify right side
    141,348x = 15,152,972,654.32
  5. Step 5: Solve for x
    x = 15,152,972,654.32/141,348
  6. Step 6: Final answer
    x = 107,203.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.