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Finding the Fourth Proportional to 220,409.51, 330,614.26 and 62,617.46

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Solution

The fourth proportional to 220,409.51, 330,614.26 and 62,617.46 is: 93,926.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,409.51 : 330,614.26 = 62,617.46 : x
  2. Step 2: Convert to fraction form
    220,409.51/330,614.26 = 62,617.46/x
  3. Step 3: Cross multiply
    220,409.51x = 330,614.26 × 62,617.46
  4. Step 4: Simplify right side
    220,409.51x = 20,702,223,391.36
  5. Step 5: Solve for x
    x = 20,702,223,391.36/220,409.51
  6. Step 6: Final answer
    x = 93,926.18

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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.