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Finding the Fourth Proportional to 235,066.72, 324,169.68 and 154,351.84

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Solution

The fourth proportional to 235,066.72, 324,169.68 and 154,351.84 is: 212,859.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,066.72 : 324,169.68 = 154,351.84 : x
  2. Step 2: Convert to fraction form
    235,066.72/324,169.68 = 154,351.84/x
  3. Step 3: Cross multiply
    235,066.72x = 324,169.68 × 154,351.84
  4. Step 4: Simplify right side
    235,066.72x = 50,036,186,580.21
  5. Step 5: Solve for x
    x = 50,036,186,580.21/235,066.72
  6. Step 6: Final answer
    x = 212,859.51

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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.