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Finding the Fourth Proportional to 240,639.84, 332,078.96 and 133,207.60

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Solution

The fourth proportional to 240,639.84, 332,078.96 and 133,207.60 is: 183,824.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,639.84 : 332,078.96 = 133,207.60 : x
  2. Step 2: Convert to fraction form
    240,639.84/332,078.96 = 133,207.60/x
  3. Step 3: Cross multiply
    240,639.84x = 332,078.96 × 133,207.60
  4. Step 4: Simplify right side
    240,639.84x = 44,235,441,272.10
  5. Step 5: Solve for x
    x = 44,235,441,272.10/240,639.84
  6. Step 6: Final answer
    x = 183,824.26

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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.