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Finding the Fourth Proportional to 115,817.58, 173,753.10 and 49,259.88

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Solution

The fourth proportional to 115,817.58, 173,753.10 and 49,259.88 is: 73,901.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,817.58 : 173,753.10 = 49,259.88 : x
  2. Step 2: Convert to fraction form
    115,817.58/173,753.10 = 49,259.88/x
  3. Step 3: Cross multiply
    115,817.58x = 173,753.10 × 49,259.88
  4. Step 4: Simplify right side
    115,817.58x = 8,559,056,855.63
  5. Step 5: Solve for x
    x = 8,559,056,855.63/115,817.58
  6. Step 6: Final answer
    x = 73,901.19

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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.