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Finding the Fourth Proportional to 234,275.49, 323,280.32 and 137,469.35

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Solution

The fourth proportional to 234,275.49, 323,280.32 and 137,469.35 is: 189,696.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,275.49 : 323,280.32 = 137,469.35 : x
  2. Step 2: Convert to fraction form
    234,275.49/323,280.32 = 137,469.35/x
  3. Step 3: Cross multiply
    234,275.49x = 323,280.32 × 137,469.35
  4. Step 4: Simplify right side
    234,275.49x = 44,441,135,579.05
  5. Step 5: Solve for x
    x = 44,441,135,579.05/234,275.49
  6. Step 6: Final answer
    x = 189,696.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.