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Finding the Fourth Proportional to 250,571.10, 375,820.18 and 73,030.44

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Solution

The fourth proportional to 250,571.10, 375,820.18 and 73,030.44 is: 109,535.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,571.10 : 375,820.18 = 73,030.44 : x
  2. Step 2: Convert to fraction form
    250,571.10/375,820.18 = 73,030.44/x
  3. Step 3: Cross multiply
    250,571.10x = 375,820.18 × 73,030.44
  4. Step 4: Simplify right side
    250,571.10x = 27,446,313,106.28
  5. Step 5: Solve for x
    x = 27,446,313,106.28/250,571.10
  6. Step 6: Final answer
    x = 109,535.03

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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.