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Finding the Fourth Proportional to 159,500.16, 238,824.72 and 126,288

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Solution

The fourth proportional to 159,500.16, 238,824.72 and 126,288 is: 189,095.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,500.16 : 238,824.72 = 126,288 : x
  2. Step 2: Convert to fraction form
    159,500.16/238,824.72 = 126,288/x
  3. Step 3: Cross multiply
    159,500.16x = 238,824.72 × 126,288
  4. Step 4: Simplify right side
    159,500.16x = 30,160,696,239.36
  5. Step 5: Solve for x
    x = 30,160,696,239.36/159,500.16
  6. Step 6: Final answer
    x = 189,095.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.