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Finding the Fourth Proportional to 286,064.82, 429,156.21 and 93,953.73

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Solution

The fourth proportional to 286,064.82, 429,156.21 and 93,953.73 is: 140,949.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,064.82 : 429,156.21 = 93,953.73 : x
  2. Step 2: Convert to fraction form
    286,064.82/429,156.21 = 93,953.73/x
  3. Step 3: Cross multiply
    286,064.82x = 429,156.21 × 93,953.73
  4. Step 4: Simplify right side
    286,064.82x = 40,320,826,682.16
  5. Step 5: Solve for x
    x = 40,320,826,682.16/286,064.82
  6. Step 6: Final answer
    x = 140,949.97

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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.