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Finding the Fourth Proportional to 133,859.72, 200,802.18 and 95,551.76

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Solution

The fourth proportional to 133,859.72, 200,802.18 and 95,551.76 is: 143,336.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,859.72 : 200,802.18 = 95,551.76 : x
  2. Step 2: Convert to fraction form
    133,859.72/200,802.18 = 95,551.76/x
  3. Step 3: Cross multiply
    133,859.72x = 200,802.18 × 95,551.76
  4. Step 4: Simplify right side
    133,859.72x = 19,187,001,710.84
  5. Step 5: Solve for x
    x = 19,187,001,710.84/133,859.72
  6. Step 6: Final answer
    x = 143,336.63

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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.