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Finding the Fourth Proportional to 146,812.49, 220,220.03 and 58,066

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Solution

The fourth proportional to 146,812.49, 220,220.03 and 58,066 is: 87,099.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,812.49 : 220,220.03 = 58,066 : x
  2. Step 2: Convert to fraction form
    146,812.49/220,220.03 = 58,066/x
  3. Step 3: Cross multiply
    146,812.49x = 220,220.03 × 58,066
  4. Step 4: Simplify right side
    146,812.49x = 12,787,295,971.65
  5. Step 5: Solve for x
    x = 12,787,295,971.65/146,812.49
  6. Step 6: Final answer
    x = 87,099.51

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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.