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Finding the Fourth Proportional to 358,735.46, 538,134.14 and 92,493.72

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Solution

The fourth proportional to 358,735.46, 538,134.14 and 92,493.72 is: 138,748.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,735.46 : 538,134.14 = 92,493.72 : x
  2. Step 2: Convert to fraction form
    358,735.46/538,134.14 = 92,493.72/x
  3. Step 3: Cross multiply
    358,735.46x = 538,134.14 × 92,493.72
  4. Step 4: Simplify right side
    358,735.46x = 49,774,029,350.47
  5. Step 5: Solve for x
    x = 49,774,029,350.47/358,735.46
  6. Step 6: Final answer
    x = 138,748.56

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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.