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Finding the Fourth Proportional to 229,471.90, 316,626.51 and 133,982.62

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Solution

The fourth proportional to 229,471.90, 316,626.51 and 133,982.62 is: 184,869.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,471.90 : 316,626.51 = 133,982.62 : x
  2. Step 2: Convert to fraction form
    229,471.90/316,626.51 = 133,982.62/x
  3. Step 3: Cross multiply
    229,471.90x = 316,626.51 × 133,982.62
  4. Step 4: Simplify right side
    229,471.90x = 42,422,449,371.26
  5. Step 5: Solve for x
    x = 42,422,449,371.26/229,471.90
  6. Step 6: Final answer
    x = 184,869.91

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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.