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Finding the Fourth Proportional to 98,228.92, 147,411.42 and 39,058.48

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Solution

The fourth proportional to 98,228.92, 147,411.42 and 39,058.48 is: 58,614.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,228.92 : 147,411.42 = 39,058.48 : x
  2. Step 2: Convert to fraction form
    98,228.92/147,411.42 = 39,058.48/x
  3. Step 3: Cross multiply
    98,228.92x = 147,411.42 × 39,058.48
  4. Step 4: Simplify right side
    98,228.92x = 5,757,665,999.84
  5. Step 5: Solve for x
    x = 5,757,665,999.84/98,228.92
  6. Step 6: Final answer
    x = 58,614.77

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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.