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Finding the Fourth Proportional to 250,525.91, 375,784.54 and 84,313.91

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Solution

The fourth proportional to 250,525.91, 375,784.54 and 84,313.91 is: 126,469.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,525.91 : 375,784.54 = 84,313.91 : x
  2. Step 2: Convert to fraction form
    250,525.91/375,784.54 = 84,313.91/x
  3. Step 3: Cross multiply
    250,525.91x = 375,784.54 × 84,313.91
  4. Step 4: Simplify right side
    250,525.91x = 31,683,863,463.38
  5. Step 5: Solve for x
    x = 31,683,863,463.38/250,525.91
  6. Step 6: Final answer
    x = 126,469.41

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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.