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Finding the Fourth Proportional to 73,415.97, 110,124.05 and 18,011.97

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Solution

The fourth proportional to 73,415.97, 110,124.05 and 18,011.97 is: 27,017.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,415.97 : 110,124.05 = 18,011.97 : x
  2. Step 2: Convert to fraction form
    73,415.97/110,124.05 = 18,011.97/x
  3. Step 3: Cross multiply
    73,415.97x = 110,124.05 × 18,011.97
  4. Step 4: Simplify right side
    73,415.97x = 1,983,550,994.82
  5. Step 5: Solve for x
    x = 1,983,550,994.82/73,415.97
  6. Step 6: Final answer
    x = 27,017.98

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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.