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Finding the Fourth Proportional to 373,479.84, 560,142.91 and 107,181

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Solution

The fourth proportional to 373,479.84, 560,142.91 and 107,181 is: 160,749.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,479.84 : 560,142.91 = 107,181 : x
  2. Step 2: Convert to fraction form
    373,479.84/560,142.91 = 107,181/x
  3. Step 3: Cross multiply
    373,479.84x = 560,142.91 × 107,181
  4. Step 4: Simplify right side
    373,479.84x = 60,036,677,236.71
  5. Step 5: Solve for x
    x = 60,036,677,236.71/373,479.84
  6. Step 6: Final answer
    x = 160,749.45

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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.