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Finding the Fourth Proportional to 173,419.97, 239,350.01 and 100,845.32

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Solution

The fourth proportional to 173,419.97, 239,350.01 and 100,845.32 is: 139,184.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,419.97 : 239,350.01 = 100,845.32 : x
  2. Step 2: Convert to fraction form
    173,419.97/239,350.01 = 100,845.32/x
  3. Step 3: Cross multiply
    173,419.97x = 239,350.01 × 100,845.32
  4. Step 4: Simplify right side
    173,419.97x = 24,137,326,649.48
  5. Step 5: Solve for x
    x = 24,137,326,649.48/173,419.97
  6. Step 6: Final answer
    x = 139,184.24

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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.