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Finding the Fourth Proportional to 373,905.01, 560,931.48 and 137,249.74

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Solution

The fourth proportional to 373,905.01, 560,931.48 and 137,249.74 is: 205,901.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,905.01 : 560,931.48 = 137,249.74 : x
  2. Step 2: Convert to fraction form
    373,905.01/560,931.48 = 137,249.74/x
  3. Step 3: Cross multiply
    373,905.01x = 560,931.48 × 137,249.74
  4. Step 4: Simplify right side
    373,905.01x = 76,987,699,787.82
  5. Step 5: Solve for x
    x = 76,987,699,787.82/373,905.01
  6. Step 6: Final answer
    x = 205,901.76

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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.