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Finding the Fourth Proportional to 239,328.84, 330,258.96 and 131,892.87

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Solution

The fourth proportional to 239,328.84, 330,258.96 and 131,892.87 is: 182,003.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,328.84 : 330,258.96 = 131,892.87 : x
  2. Step 2: Convert to fraction form
    239,328.84/330,258.96 = 131,892.87/x
  3. Step 3: Cross multiply
    239,328.84x = 330,258.96 × 131,892.87
  4. Step 4: Simplify right side
    239,328.84x = 43,558,802,077.62
  5. Step 5: Solve for x
    x = 43,558,802,077.62/239,328.84
  6. Step 6: Final answer
    x = 182,003.98

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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.