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Finding the Fourth Proportional to 224,563.61, 336,844.46 and 91,412.30

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Solution

The fourth proportional to 224,563.61, 336,844.46 and 91,412.30 is: 137,118.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,563.61 : 336,844.46 = 91,412.30 : x
  2. Step 2: Convert to fraction form
    224,563.61/336,844.46 = 91,412.30/x
  3. Step 3: Cross multiply
    224,563.61x = 336,844.46 × 91,412.30
  4. Step 4: Simplify right side
    224,563.61x = 30,791,724,689.57
  5. Step 5: Solve for x
    x = 30,791,724,689.57/224,563.61
  6. Step 6: Final answer
    x = 137,118.05

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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.