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Finding the Fourth Proportional to 276,124.32, 414,187.56 and 84,000.96

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Solution

The fourth proportional to 276,124.32, 414,187.56 and 84,000.96 is: 126,001.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,124.32 : 414,187.56 = 84,000.96 : x
  2. Step 2: Convert to fraction form
    276,124.32/414,187.56 = 84,000.96/x
  3. Step 3: Cross multiply
    276,124.32x = 414,187.56 × 84,000.96
  4. Step 4: Simplify right side
    276,124.32x = 34,792,152,660.06
  5. Step 5: Solve for x
    x = 34,792,152,660.06/276,124.32
  6. Step 6: Final answer
    x = 126,001.77

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1.5x scale

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.