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Finding the Fourth Proportional to 101,499.39, 152,264.45 and 73,629.74

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Solution

The fourth proportional to 101,499.39, 152,264.45 and 73,629.74 is: 110,455.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,499.39 : 152,264.45 = 73,629.74 : x
  2. Step 2: Convert to fraction form
    101,499.39/152,264.45 = 73,629.74/x
  3. Step 3: Cross multiply
    101,499.39x = 152,264.45 × 73,629.74
  4. Step 4: Simplify right side
    101,499.39x = 11,211,191,864.74
  5. Step 5: Solve for x
    x = 11,211,191,864.74/101,499.39
  6. Step 6: Final answer
    x = 110,455.76

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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.