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Finding the Fourth Proportional to 134,058.65, 185,003.16 and 73,634.87

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Solution

The fourth proportional to 134,058.65, 185,003.16 and 73,634.87 is: 101,617.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,058.65 : 185,003.16 = 73,634.87 : x
  2. Step 2: Convert to fraction form
    134,058.65/185,003.16 = 73,634.87/x
  3. Step 3: Cross multiply
    134,058.65x = 185,003.16 × 73,634.87
  4. Step 4: Simplify right side
    134,058.65x = 13,622,683,822.57
  5. Step 5: Solve for x
    x = 13,622,683,822.57/134,058.65
  6. Step 6: Final answer
    x = 101,617.35

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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.