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Finding the Fourth Proportional to 73,440.66, 110,165.16 and 20,846

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Solution

The fourth proportional to 73,440.66, 110,165.16 and 20,846 is: 31,270.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,440.66 : 110,165.16 = 20,846 : x
  2. Step 2: Convert to fraction form
    73,440.66/110,165.16 = 20,846/x
  3. Step 3: Cross multiply
    73,440.66x = 110,165.16 × 20,846
  4. Step 4: Simplify right side
    73,440.66x = 2,296,502,925.36
  5. Step 5: Solve for x
    x = 2,296,502,925.36/73,440.66
  6. Step 6: Final answer
    x = 31,270.18

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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.