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Finding the Fourth Proportional to 245,532.31, 368,297.41 and 68,038.81

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Solution

The fourth proportional to 245,532.31, 368,297.41 and 68,038.81 is: 102,057.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,532.31 : 368,297.41 = 68,038.81 : x
  2. Step 2: Convert to fraction form
    245,532.31/368,297.41 = 68,038.81/x
  3. Step 3: Cross multiply
    245,532.31x = 368,297.41 × 68,038.81
  4. Step 4: Simplify right side
    245,532.31x = 25,058,517,502.48
  5. Step 5: Solve for x
    x = 25,058,517,502.48/245,532.31
  6. Step 6: Final answer
    x = 102,057.92

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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.