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Finding the Fourth Proportional to 173,953.36, 239,821.32 and 113,404.24

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Solution

The fourth proportional to 173,953.36, 239,821.32 and 113,404.24 is: 156,345.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,953.36 : 239,821.32 = 113,404.24 : x
  2. Step 2: Convert to fraction form
    173,953.36/239,821.32 = 113,404.24/x
  3. Step 3: Cross multiply
    173,953.36x = 239,821.32 × 113,404.24
  4. Step 4: Simplify right side
    173,953.36x = 27,196,754,530.40
  5. Step 5: Solve for x
    x = 27,196,754,530.40/173,953.36
  6. Step 6: Final answer
    x = 156,345.09

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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.