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Finding the Fourth Proportional to 224,542.40, 336,813.60 and 91,354.10

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Solution

The fourth proportional to 224,542.40, 336,813.60 and 91,354.10 is: 137,031.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,542.40 : 336,813.60 = 91,354.10 : x
  2. Step 2: Convert to fraction form
    224,542.40/336,813.60 = 91,354.10/x
  3. Step 3: Cross multiply
    224,542.40x = 336,813.60 × 91,354.10
  4. Step 4: Simplify right side
    224,542.40x = 30,769,303,295.76
  5. Step 5: Solve for x
    x = 30,769,303,295.76/224,542.40
  6. Step 6: Final answer
    x = 137,031.15

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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.