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Finding the Fourth Proportional to 247,258.80, 370,889.46 and 105,067.44

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Solution

The fourth proportional to 247,258.80, 370,889.46 and 105,067.44 is: 157,601.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,258.80 : 370,889.46 = 105,067.44 : x
  2. Step 2: Convert to fraction form
    247,258.80/370,889.46 = 105,067.44/x
  3. Step 3: Cross multiply
    247,258.80x = 370,889.46 × 105,067.44
  4. Step 4: Simplify right side
    247,258.80x = 38,968,406,085.18
  5. Step 5: Solve for x
    x = 38,968,406,085.18/247,258.80
  6. Step 6: Final answer
    x = 157,601.70

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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.