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Finding the Fourth Proportional to 141,597.48, 195,400.44 and 77,933.91

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Solution

The fourth proportional to 141,597.48, 195,400.44 and 77,933.91 is: 107,546.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,597.48 : 195,400.44 = 77,933.91 : x
  2. Step 2: Convert to fraction form
    141,597.48/195,400.44 = 77,933.91/x
  3. Step 3: Cross multiply
    141,597.48x = 195,400.44 × 77,933.91
  4. Step 4: Simplify right side
    141,597.48x = 15,228,320,304.92
  5. Step 5: Solve for x
    x = 15,228,320,304.92/141,597.48
  6. Step 6: Final answer
    x = 107,546.55

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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.