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Finding the Fourth Proportional to 250,624.59, 375,786.76 and 79,772.51

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Solution

The fourth proportional to 250,624.59, 375,786.76 and 79,772.51 is: 119,610.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,624.59 : 375,786.76 = 79,772.51 : x
  2. Step 2: Convert to fraction form
    250,624.59/375,786.76 = 79,772.51/x
  3. Step 3: Cross multiply
    250,624.59x = 375,786.76 × 79,772.51
  4. Step 4: Simplify right side
    250,624.59x = 29,977,453,069.97
  5. Step 5: Solve for x
    x = 29,977,453,069.97/250,624.59
  6. Step 6: Final answer
    x = 119,610.98

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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.