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Finding the Fourth Proportional to 73,989.82, 110,985.75 and 24,070.18

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Solution

The fourth proportional to 73,989.82, 110,985.75 and 24,070.18 is: 36,105.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,989.82 : 110,985.75 = 24,070.18 : x
  2. Step 2: Convert to fraction form
    73,989.82/110,985.75 = 24,070.18/x
  3. Step 3: Cross multiply
    73,989.82x = 110,985.75 × 24,070.18
  4. Step 4: Simplify right side
    73,989.82x = 2,671,446,425.01
  5. Step 5: Solve for x
    x = 2,671,446,425.01/73,989.82
  6. Step 6: Final answer
    x = 36,105.60

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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.