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Finding the Fourth Proportional to 367,728.47, 551,624.48 and 101,489.03

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Solution

The fourth proportional to 367,728.47, 551,624.48 and 101,489.03 is: 152,242.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,728.47 : 551,624.48 = 101,489.03 : x
  2. Step 2: Convert to fraction form
    367,728.47/551,624.48 = 101,489.03/x
  3. Step 3: Cross multiply
    367,728.47x = 551,624.48 × 101,489.03
  4. Step 4: Simplify right side
    367,728.47x = 55,983,832,892.01
  5. Step 5: Solve for x
    x = 55,983,832,892.01/367,728.47
  6. Step 6: Final answer
    x = 152,242.31

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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.