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Finding the Fourth Proportional to 203,271.71, 304,956.02 and 70,153.13

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Solution

The fourth proportional to 203,271.71, 304,956.02 and 70,153.13 is: 105,246.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,271.71 : 304,956.02 = 70,153.13 : x
  2. Step 2: Convert to fraction form
    203,271.71/304,956.02 = 70,153.13/x
  3. Step 3: Cross multiply
    203,271.71x = 304,956.02 × 70,153.13
  4. Step 4: Simplify right side
    203,271.71x = 21,393,617,439.80
  5. Step 5: Solve for x
    x = 21,393,617,439.80/203,271.71
  6. Step 6: Final answer
    x = 105,246.41

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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.