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Finding the Fourth Proportional to 217,229.55, 299,776.30 and 132,346.68

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Solution

The fourth proportional to 217,229.55, 299,776.30 and 132,346.68 is: 182,638.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,229.55 : 299,776.30 = 132,346.68 : x
  2. Step 2: Convert to fraction form
    217,229.55/299,776.30 = 132,346.68/x
  3. Step 3: Cross multiply
    217,229.55x = 299,776.30 × 132,346.68
  4. Step 4: Simplify right side
    217,229.55x = 39,674,398,047.68
  5. Step 5: Solve for x
    x = 39,674,398,047.68/217,229.55
  6. Step 6: Final answer
    x = 182,638.13

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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.