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Finding the Fourth Proportional to 73,392.57, 110,088.85 and 17,988.57

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Solution

The fourth proportional to 73,392.57, 110,088.85 and 17,988.57 is: 26,982.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,392.57 : 110,088.85 = 17,988.57 : x
  2. Step 2: Convert to fraction form
    73,392.57/110,088.85 = 17,988.57/x
  3. Step 3: Cross multiply
    73,392.57x = 110,088.85 × 17,988.57
  4. Step 4: Simplify right side
    73,392.57x = 1,980,340,434.00
  5. Step 5: Solve for x
    x = 1,980,340,434.00/73,392.57
  6. Step 6: Final answer
    x = 26,982.85

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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.