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Finding the Fourth Proportional to 98,845.92, 136,401.84 and 58,563.54

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Solution

The fourth proportional to 98,845.92, 136,401.84 and 58,563.54 is: 80,814.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,845.92 : 136,401.84 = 58,563.54 : x
  2. Step 2: Convert to fraction form
    98,845.92/136,401.84 = 58,563.54/x
  3. Step 3: Cross multiply
    98,845.92x = 136,401.84 × 58,563.54
  4. Step 4: Simplify right side
    98,845.92x = 7,988,174,612.91
  5. Step 5: Solve for x
    x = 7,988,174,612.91/98,845.92
  6. Step 6: Final answer
    x = 80,814.41

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1.5x scale

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.