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Finding the Fourth Proportional to 243,035.94, 335,007.39 and 166,422.40

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Solution

The fourth proportional to 243,035.94, 335,007.39 and 166,422.40 is: 229,401.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,035.94 : 335,007.39 = 166,422.40 : x
  2. Step 2: Convert to fraction form
    243,035.94/335,007.39 = 166,422.40/x
  3. Step 3: Cross multiply
    243,035.94x = 335,007.39 × 166,422.40
  4. Step 4: Simplify right side
    243,035.94x = 55,752,733,648.10
  5. Step 5: Solve for x
    x = 55,752,733,648.10/243,035.94
  6. Step 6: Final answer
    x = 229,401.19

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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.