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Finding the Fourth Proportional to 217,214.72, 325,549.92 and 117,370.88

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Solution

The fourth proportional to 217,214.72, 325,549.92 and 117,370.88 is: 175,909.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,214.72 : 325,549.92 = 117,370.88 : x
  2. Step 2: Convert to fraction form
    217,214.72/325,549.92 = 117,370.88/x
  3. Step 3: Cross multiply
    217,214.72x = 325,549.92 × 117,370.88
  4. Step 4: Simplify right side
    217,214.72x = 38,210,080,594.33
  5. Step 5: Solve for x
    x = 38,210,080,594.33/217,214.72
  6. Step 6: Final answer
    x = 175,909.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.