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Finding the Fourth Proportional to 141,597.78, 195,405.48 and 77,937.84

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Solution

The fourth proportional to 141,597.78, 195,405.48 and 77,937.84 is: 107,554.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,597.78 : 195,405.48 = 77,937.84 : x
  2. Step 2: Convert to fraction form
    141,597.78/195,405.48 = 77,937.84/x
  3. Step 3: Cross multiply
    141,597.78x = 195,405.48 × 77,937.84
  4. Step 4: Simplify right side
    141,597.78x = 15,229,481,035.36
  5. Step 5: Solve for x
    x = 15,229,481,035.36/141,597.78
  6. Step 6: Final answer
    x = 107,554.52

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1.5x scale

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.