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Finding the Fourth Proportional to 133,510.68, 200,265.51 and 54,624.88

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Solution

The fourth proportional to 133,510.68, 200,265.51 and 54,624.88 is: 81,937.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,510.68 : 200,265.51 = 54,624.88 : x
  2. Step 2: Convert to fraction form
    133,510.68/200,265.51 = 54,624.88/x
  3. Step 3: Cross multiply
    133,510.68x = 200,265.51 × 54,624.88
  4. Step 4: Simplify right side
    133,510.68x = 10,939,479,907.06
  5. Step 5: Solve for x
    x = 10,939,479,907.06/133,510.68
  6. Step 6: Final answer
    x = 81,937.11

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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.