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Finding the Fourth Proportional to 217,168.79, 325,392.89 and 153,674.10

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Solution

The fourth proportional to 217,168.79, 325,392.89 and 153,674.10 is: 230,256.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,168.79 : 325,392.89 = 153,674.10 : x
  2. Step 2: Convert to fraction form
    217,168.79/325,392.89 = 153,674.10/x
  3. Step 3: Cross multiply
    217,168.79x = 325,392.89 × 153,674.10
  4. Step 4: Simplify right side
    217,168.79x = 50,004,458,748.78
  5. Step 5: Solve for x
    x = 50,004,458,748.78/217,168.79
  6. Step 6: Final answer
    x = 230,256.20

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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.