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Finding the Fourth Proportional to 117,024.66, 161,493.81 and 63,309.72

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Solution

The fourth proportional to 117,024.66, 161,493.81 and 63,309.72 is: 87,367.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,024.66 : 161,493.81 = 63,309.72 : x
  2. Step 2: Convert to fraction form
    117,024.66/161,493.81 = 63,309.72/x
  3. Step 3: Cross multiply
    117,024.66x = 161,493.81 × 63,309.72
  4. Step 4: Simplify right side
    117,024.66x = 10,224,127,892.83
  5. Step 5: Solve for x
    x = 10,224,127,892.83/117,024.66
  6. Step 6: Final answer
    x = 87,367.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.