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Finding the Fourth Proportional to 117,770.54, 176,661.48 and 38,883.02

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Solution

The fourth proportional to 117,770.54, 176,661.48 and 38,883.02 is: 58,326.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,770.54 : 176,661.48 = 38,883.02 : x
  2. Step 2: Convert to fraction form
    117,770.54/176,661.48 = 38,883.02/x
  3. Step 3: Cross multiply
    117,770.54x = 176,661.48 × 38,883.02
  4. Step 4: Simplify right side
    117,770.54x = 6,869,131,860.07
  5. Step 5: Solve for x
    x = 6,869,131,860.07/117,770.54
  6. Step 6: Final answer
    x = 58,326.40

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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.