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Finding the Fourth Proportional to 133,054, 183,614.52 and 73,438

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Solution

The fourth proportional to 133,054, 183,614.52 and 73,438 is: 101,344.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,054 : 183,614.52 = 73,438 : x
  2. Step 2: Convert to fraction form
    133,054/183,614.52 = 73,438/x
  3. Step 3: Cross multiply
    133,054x = 183,614.52 × 73,438
  4. Step 4: Simplify right side
    133,054x = 13,484,283,119.76
  5. Step 5: Solve for x
    x = 13,484,283,119.76/133,054
  6. Step 6: Final answer
    x = 101,344.44

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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.