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Finding the Fourth Proportional to 67,405.52, 101,011.94 and 49,495.66

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Solution

The fourth proportional to 67,405.52, 101,011.94 and 49,495.66 is: 74,172.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,405.52 : 101,011.94 = 49,495.66 : x
  2. Step 2: Convert to fraction form
    67,405.52/101,011.94 = 49,495.66/x
  3. Step 3: Cross multiply
    67,405.52x = 101,011.94 × 49,495.66
  4. Step 4: Simplify right side
    67,405.52x = 4,999,652,638.18
  5. Step 5: Solve for x
    x = 4,999,652,638.18/67,405.52
  6. Step 6: Final answer
    x = 74,172.75

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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.