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Finding the Fourth Proportional to 134,679.62, 185,852.28 and 73,424.49

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Solution

The fourth proportional to 134,679.62, 185,852.28 and 73,424.49 is: 101,322.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,679.62 : 185,852.28 = 73,424.49 : x
  2. Step 2: Convert to fraction form
    134,679.62/185,852.28 = 73,424.49/x
  3. Step 3: Cross multiply
    134,679.62x = 185,852.28 × 73,424.49
  4. Step 4: Simplify right side
    134,679.62x = 13,646,108,874.34
  5. Step 5: Solve for x
    x = 13,646,108,874.34/134,679.62
  6. Step 6: Final answer
    x = 101,322.74

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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.