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Finding the Fourth Proportional to 217,347.50, 299,593.12 and 171,332.16

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Solution

The fourth proportional to 217,347.50, 299,593.12 and 171,332.16 is: 236,165.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,347.50 : 299,593.12 = 171,332.16 : x
  2. Step 2: Convert to fraction form
    217,347.50/299,593.12 = 171,332.16/x
  3. Step 3: Cross multiply
    217,347.50x = 299,593.12 × 171,332.16
  4. Step 4: Simplify right side
    217,347.50x = 51,329,936,370.74
  5. Step 5: Solve for x
    x = 51,329,936,370.74/217,347.50
  6. Step 6: Final answer
    x = 236,165.29

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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.