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Finding the Fourth Proportional to 235,486.62, 324,964.68 and 133,521.84

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Solution

The fourth proportional to 235,486.62, 324,964.68 and 133,521.84 is: 184,256.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,486.62 : 324,964.68 = 133,521.84 : x
  2. Step 2: Convert to fraction form
    235,486.62/324,964.68 = 133,521.84/x
  3. Step 3: Cross multiply
    235,486.62x = 324,964.68 × 133,521.84
  4. Step 4: Simplify right side
    235,486.62x = 43,389,882,008.61
  5. Step 5: Solve for x
    x = 43,389,882,008.61/235,486.62
  6. Step 6: Final answer
    x = 184,256.25

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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.