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Finding the Fourth Proportional to 247,286.58, 341,251.44 and 139,852.58

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Solution

The fourth proportional to 247,286.58, 341,251.44 and 139,852.58 is: 192,994.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,286.58 : 341,251.44 = 139,852.58 : x
  2. Step 2: Convert to fraction form
    247,286.58/341,251.44 = 139,852.58/x
  3. Step 3: Cross multiply
    247,286.58x = 341,251.44 × 139,852.58
  4. Step 4: Simplify right side
    247,286.58x = 47,724,894,312.72
  5. Step 5: Solve for x
    x = 47,724,894,312.72/247,286.58
  6. Step 6: Final answer
    x = 192,994.28

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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.