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Finding the Fourth Proportional to 115,246, 159,039.48 and 62,254

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Solution

The fourth proportional to 115,246, 159,039.48 and 62,254 is: 85,910.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,246 : 159,039.48 = 62,254 : x
  2. Step 2: Convert to fraction form
    115,246/159,039.48 = 62,254/x
  3. Step 3: Cross multiply
    115,246x = 159,039.48 × 62,254
  4. Step 4: Simplify right side
    115,246x = 9,900,843,787.92
  5. Step 5: Solve for x
    x = 9,900,843,787.92/115,246
  6. Step 6: Final answer
    x = 85,910.52

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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.