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Finding the Fourth Proportional to 224,416.61, 336,334.07 and 91,142.04

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Solution

The fourth proportional to 224,416.61, 336,334.07 and 91,142.04 is: 136,594.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,416.61 : 336,334.07 = 91,142.04 : x
  2. Step 2: Convert to fraction form
    224,416.61/336,334.07 = 91,142.04/x
  3. Step 3: Cross multiply
    224,416.61x = 336,334.07 × 91,142.04
  4. Step 4: Simplify right side
    224,416.61x = 30,654,173,646.43
  5. Step 5: Solve for x
    x = 30,654,173,646.43/224,416.61
  6. Step 6: Final answer
    x = 136,594.94

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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.