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Finding the Fourth Proportional to 134,174.70, 185,164.49 and 73,746.88

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Solution

The fourth proportional to 134,174.70, 185,164.49 and 73,746.88 is: 101,772.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,174.70 : 185,164.49 = 73,746.88 : x
  2. Step 2: Convert to fraction form
    134,174.70/185,164.49 = 73,746.88/x
  3. Step 3: Cross multiply
    134,174.70x = 185,164.49 × 73,746.88
  4. Step 4: Simplify right side
    134,174.70x = 13,655,303,145.75
  5. Step 5: Solve for x
    x = 13,655,303,145.75/134,174.70
  6. Step 6: Final answer
    x = 101,772.56

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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.