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Finding the Fourth Proportional to 134,758.54, 185,971.26 and 73,508.08

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Solution

The fourth proportional to 134,758.54, 185,971.26 and 73,508.08 is: 101,443.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,758.54 : 185,971.26 = 73,508.08 : x
  2. Step 2: Convert to fraction form
    134,758.54/185,971.26 = 73,508.08/x
  3. Step 3: Cross multiply
    134,758.54x = 185,971.26 × 73,508.08
  4. Step 4: Simplify right side
    134,758.54x = 13,670,390,257.78
  5. Step 5: Solve for x
    x = 13,670,390,257.78/134,758.54
  6. Step 6: Final answer
    x = 101,443.59

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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.