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Finding the Fourth Proportional to 285,461.61, 428,199.39 and 95,924.72

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Solution

The fourth proportional to 285,461.61, 428,199.39 and 95,924.72 is: 143,889.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,461.61 : 428,199.39 = 95,924.72 : x
  2. Step 2: Convert to fraction form
    285,461.61/428,199.39 = 95,924.72/x
  3. Step 3: Cross multiply
    285,461.61x = 428,199.39 × 95,924.72
  4. Step 4: Simplify right side
    285,461.61x = 41,074,904,448.92
  5. Step 5: Solve for x
    x = 41,074,904,448.92/285,461.61
  6. Step 6: Final answer
    x = 143,889.42

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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.