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Finding the Fourth Proportional to 67,161.74, 92,595.36 and 48,748.30

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Solution

The fourth proportional to 67,161.74, 92,595.36 and 48,748.30 is: 67,208.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,161.74 : 92,595.36 = 48,748.30 : x
  2. Step 2: Convert to fraction form
    67,161.74/92,595.36 = 48,748.30/x
  3. Step 3: Cross multiply
    67,161.74x = 92,595.36 × 48,748.30
  4. Step 4: Simplify right side
    67,161.74x = 4,513,866,156.40
  5. Step 5: Solve for x
    x = 4,513,866,156.40/67,161.74
  6. Step 6: Final answer
    x = 67,208.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.