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Finding the Fourth Proportional to 124,663.66, 171,995.37 and 73,677.94

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Solution

The fourth proportional to 124,663.66, 171,995.37 and 73,677.94 is: 101,651.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,663.66 : 171,995.37 = 73,677.94 : x
  2. Step 2: Convert to fraction form
    124,663.66/171,995.37 = 73,677.94/x
  3. Step 3: Cross multiply
    124,663.66x = 171,995.37 × 73,677.94
  4. Step 4: Simplify right side
    124,663.66x = 12,672,264,551.14
  5. Step 5: Solve for x
    x = 12,672,264,551.14/124,663.66
  6. Step 6: Final answer
    x = 101,651.63

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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.