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Finding the Fourth Proportional to 250,632, 375,911.64 and 73,091.52

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Solution

The fourth proportional to 250,632, 375,911.64 and 73,091.52 is: 109,626.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,632 : 375,911.64 = 73,091.52 : x
  2. Step 2: Convert to fraction form
    250,632/375,911.64 = 73,091.52/x
  3. Step 3: Cross multiply
    250,632x = 375,911.64 × 73,091.52
  4. Step 4: Simplify right side
    250,632x = 27,475,953,153.29
  5. Step 5: Solve for x
    x = 27,475,953,153.29/250,632
  6. Step 6: Final answer
    x = 109,626.68

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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.