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Finding the Fourth Proportional to 133,476.70, 200,156.01 and 39,965.02

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Solution

The fourth proportional to 133,476.70, 200,156.01 and 39,965.02 is: 59,929.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,476.70 : 200,156.01 = 39,965.02 : x
  2. Step 2: Convert to fraction form
    133,476.70/200,156.01 = 39,965.02/x
  3. Step 3: Cross multiply
    133,476.70x = 200,156.01 × 39,965.02
  4. Step 4: Simplify right side
    133,476.70x = 7,999,238,942.77
  5. Step 5: Solve for x
    x = 7,999,238,942.77/133,476.70
  6. Step 6: Final answer
    x = 59,929.85

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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.