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Finding the Fourth Proportional to 133,044, 183,600.96 and 73,428

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Solution

The fourth proportional to 133,044, 183,600.96 and 73,428 is: 101,330.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,044 : 183,600.96 = 73,428 : x
  2. Step 2: Convert to fraction form
    133,044/183,600.96 = 73,428/x
  3. Step 3: Cross multiply
    133,044x = 183,600.96 × 73,428
  4. Step 4: Simplify right side
    133,044x = 13,481,451,290.88
  5. Step 5: Solve for x
    x = 13,481,451,290.88/133,044
  6. Step 6: Final answer
    x = 101,330.77

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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.