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Finding the Fourth Proportional to 164,871.26, 247,140.68 and 64,992.78

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Solution

The fourth proportional to 164,871.26, 247,140.68 and 64,992.78 is: 97,423.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,871.26 : 247,140.68 = 64,992.78 : x
  2. Step 2: Convert to fraction form
    164,871.26/247,140.68 = 64,992.78/x
  3. Step 3: Cross multiply
    164,871.26x = 247,140.68 × 64,992.78
  4. Step 4: Simplify right side
    164,871.26x = 16,062,359,844.29
  5. Step 5: Solve for x
    x = 16,062,359,844.29/164,871.26
  6. Step 6: Final answer
    x = 97,423.65

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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.