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Finding the Fourth Proportional to 250,226.10, 375,302.70 and 72,714.60

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Solution

The fourth proportional to 250,226.10, 375,302.70 and 72,714.60 is: 109,061.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,226.10 : 375,302.70 = 72,714.60 : x
  2. Step 2: Convert to fraction form
    250,226.10/375,302.70 = 72,714.60/x
  3. Step 3: Cross multiply
    250,226.10x = 375,302.70 × 72,714.60
  4. Step 4: Simplify right side
    250,226.10x = 27,289,985,709.42
  5. Step 5: Solve for x
    x = 27,289,985,709.42/250,226.10
  6. Step 6: Final answer
    x = 109,061.31

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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.