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Finding the Fourth Proportional to 355,353.96, 532,952.66 and 102,579.55

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Solution

The fourth proportional to 355,353.96, 532,952.66 and 102,579.55 is: 153,846.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,353.96 : 532,952.66 = 102,579.55 : x
  2. Step 2: Convert to fraction form
    355,353.96/532,952.66 = 102,579.55/x
  3. Step 3: Cross multiply
    355,353.96x = 532,952.66 × 102,579.55
  4. Step 4: Simplify right side
    355,353.96x = 54,670,042,958.17
  5. Step 5: Solve for x
    x = 54,670,042,958.17/355,353.96
  6. Step 6: Final answer
    x = 153,846.72

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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.