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Finding the Fourth Proportional to 124,170.70, 186,284.97 and 35,425.42

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Solution

The fourth proportional to 124,170.70, 186,284.97 and 35,425.42 is: 53,146.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,170.70 : 186,284.97 = 35,425.42 : x
  2. Step 2: Convert to fraction form
    124,170.70/186,284.97 = 35,425.42/x
  3. Step 3: Cross multiply
    124,170.70x = 186,284.97 × 35,425.42
  4. Step 4: Simplify right side
    124,170.70x = 6,599,223,301.94
  5. Step 5: Solve for x
    x = 6,599,223,301.94/124,170.70
  6. Step 6: Final answer
    x = 53,146.38

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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.