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Finding the Fourth Proportional to 99,238.97, 148,917.47 and 36,064.01

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Solution

The fourth proportional to 99,238.97, 148,917.47 and 36,064.01 is: 54,117.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,238.97 : 148,917.47 = 36,064.01 : x
  2. Step 2: Convert to fraction form
    99,238.97/148,917.47 = 36,064.01/x
  3. Step 3: Cross multiply
    99,238.97x = 148,917.47 × 36,064.01
  4. Step 4: Simplify right side
    99,238.97x = 5,370,560,202.35
  5. Step 5: Solve for x
    x = 5,370,560,202.35/99,238.97
  6. Step 6: Final answer
    x = 54,117.45

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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.