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Finding the Fourth Proportional to 99,612.48, 149,422.68 and 33,058.56

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Solution

The fourth proportional to 99,612.48, 149,422.68 and 33,058.56 is: 49,589.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,612.48 : 149,422.68 = 33,058.56 : x
  2. Step 2: Convert to fraction form
    99,612.48/149,422.68 = 33,058.56/x
  3. Step 3: Cross multiply
    99,612.48x = 149,422.68 × 33,058.56
  4. Step 4: Simplify right side
    99,612.48x = 4,939,698,632.14
  5. Step 5: Solve for x
    x = 4,939,698,632.14/99,612.48
  6. Step 6: Final answer
    x = 49,589.15

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1.5x scale

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.