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Finding the Fourth Proportional to 250,161.19, 375,311.94 and 100,506.58

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Solution

The fourth proportional to 250,161.19, 375,311.94 and 100,506.58 is: 150,788.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,161.19 : 375,311.94 = 100,506.58 : x
  2. Step 2: Convert to fraction form
    250,161.19/375,311.94 = 100,506.58/x
  3. Step 3: Cross multiply
    250,161.19x = 375,311.94 × 100,506.58
  4. Step 4: Simplify right side
    250,161.19x = 37,721,319,522.57
  5. Step 5: Solve for x
    x = 37,721,319,522.57/250,161.19
  6. Step 6: Final answer
    x = 150,788.06

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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.