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Finding the Fourth Proportional to 185,803.21, 278,715.41 and 52,673

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Solution

The fourth proportional to 185,803.21, 278,715.41 and 52,673 is: 79,012.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,803.21 : 278,715.41 = 52,673 : x
  2. Step 2: Convert to fraction form
    185,803.21/278,715.41 = 52,673/x
  3. Step 3: Cross multiply
    185,803.21x = 278,715.41 × 52,673
  4. Step 4: Simplify right side
    185,803.21x = 14,680,776,527.57
  5. Step 5: Solve for x
    x = 14,680,776,527.57/185,803.21
  6. Step 6: Final answer
    x = 79,012.50

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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.