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Finding the Fourth Proportional to 224,008.62, 336,078.60 and 66,241.20

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Solution

The fourth proportional to 224,008.62, 336,078.60 and 66,241.20 is: 99,381.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,008.62 : 336,078.60 = 66,241.20 : x
  2. Step 2: Convert to fraction form
    224,008.62/336,078.60 = 66,241.20/x
  3. Step 3: Cross multiply
    224,008.62x = 336,078.60 × 66,241.20
  4. Step 4: Simplify right side
    224,008.62x = 22,262,249,758.32
  5. Step 5: Solve for x
    x = 22,262,249,758.32/224,008.62
  6. Step 6: Final answer
    x = 99,381.22

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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.