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Finding the Fourth Proportional to 361,625.72, 542,475.03 and 95,404.64

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Solution

The fourth proportional to 361,625.72, 542,475.03 and 95,404.64 is: 143,116.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,625.72 : 542,475.03 = 95,404.64 : x
  2. Step 2: Convert to fraction form
    361,625.72/542,475.03 = 95,404.64/x
  3. Step 3: Cross multiply
    361,625.72x = 542,475.03 × 95,404.64
  4. Step 4: Simplify right side
    361,625.72x = 51,754,634,946.14
  5. Step 5: Solve for x
    x = 51,754,634,946.14/361,625.72
  6. Step 6: Final answer
    x = 143,116.58

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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.