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Finding the Fourth Proportional to 120,301.94, 180,477.81 and 36,058.70

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Solution

The fourth proportional to 120,301.94, 180,477.81 and 36,058.70 is: 54,095.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,301.94 : 180,477.81 = 36,058.70 : x
  2. Step 2: Convert to fraction form
    120,301.94/180,477.81 = 36,058.70/x
  3. Step 3: Cross multiply
    120,301.94x = 180,477.81 × 36,058.70
  4. Step 4: Simplify right side
    120,301.94x = 6,507,795,207.45
  5. Step 5: Solve for x
    x = 6,507,795,207.45/120,301.94
  6. Step 6: Final answer
    x = 54,095.51

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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.