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Finding the Fourth Proportional to 118,084, 162,955.92 and 73,372

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Solution

The fourth proportional to 118,084, 162,955.92 and 73,372 is: 101,253.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,084 : 162,955.92 = 73,372 : x
  2. Step 2: Convert to fraction form
    118,084/162,955.92 = 73,372/x
  3. Step 3: Cross multiply
    118,084x = 162,955.92 × 73,372
  4. Step 4: Simplify right side
    118,084x = 11,956,401,762.24
  5. Step 5: Solve for x
    x = 11,956,401,762.24/118,084
  6. Step 6: Final answer
    x = 101,253.36

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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.