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Finding the Fourth Proportional to 94,202.87, 129,967.82 and 58,379.81

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Solution

The fourth proportional to 94,202.87, 129,967.82 and 58,379.81 is: 80,544.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,202.87 : 129,967.82 = 58,379.81 : x
  2. Step 2: Convert to fraction form
    94,202.87/129,967.82 = 58,379.81/x
  3. Step 3: Cross multiply
    94,202.87x = 129,967.82 × 58,379.81
  4. Step 4: Simplify right side
    94,202.87x = 7,587,496,637.71
  5. Step 5: Solve for x
    x = 7,587,496,637.71/94,202.87
  6. Step 6: Final answer
    x = 80,544.22

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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.