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Finding the Fourth Proportional to 220,762.16, 331,199.13 and 62,991.17

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Solution

The fourth proportional to 220,762.16, 331,199.13 and 62,991.17 is: 94,502.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,762.16 : 331,199.13 = 62,991.17 : x
  2. Step 2: Convert to fraction form
    220,762.16/331,199.13 = 62,991.17/x
  3. Step 3: Cross multiply
    220,762.16x = 331,199.13 × 62,991.17
  4. Step 4: Simplify right side
    220,762.16x = 20,862,620,701.68
  5. Step 5: Solve for x
    x = 20,862,620,701.68/220,762.16
  6. Step 6: Final answer
    x = 94,502.70

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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.