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Finding the Fourth Proportional to 217,402.56, 300,058.56 and 141,016.32

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Solution

The fourth proportional to 217,402.56, 300,058.56 and 141,016.32 is: 194,630.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,402.56 : 300,058.56 = 141,016.32 : x
  2. Step 2: Convert to fraction form
    217,402.56/300,058.56 = 141,016.32/x
  3. Step 3: Cross multiply
    217,402.56x = 300,058.56 × 141,016.32
  4. Step 4: Simplify right side
    217,402.56x = 42,313,153,915.70
  5. Step 5: Solve for x
    x = 42,313,153,915.70/217,402.56
  6. Step 6: Final answer
    x = 194,630.43

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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.