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Finding the Fourth Proportional to 214,880.90, 322,356.29 and 65,086.11

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Solution

The fourth proportional to 214,880.90, 322,356.29 and 65,086.11 is: 97,639.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,880.90 : 322,356.29 = 65,086.11 : x
  2. Step 2: Convert to fraction form
    214,880.90/322,356.29 = 65,086.11/x
  3. Step 3: Cross multiply
    214,880.90x = 322,356.29 × 65,086.11
  4. Step 4: Simplify right side
    214,880.90x = 20,980,916,624.70
  5. Step 5: Solve for x
    x = 20,980,916,624.70/214,880.90
  6. Step 6: Final answer
    x = 97,639.75

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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.