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Finding the Fourth Proportional to 173,169.05, 238,970.93 and 96,689.32

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Solution

The fourth proportional to 173,169.05, 238,970.93 and 96,689.32 is: 133,429.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,169.05 : 238,970.93 = 96,689.32 : x
  2. Step 2: Convert to fraction form
    173,169.05/238,970.93 = 96,689.32/x
  3. Step 3: Cross multiply
    173,169.05x = 238,970.93 × 96,689.32
  4. Step 4: Simplify right side
    173,169.05x = 23,105,935,640.59
  5. Step 5: Solve for x
    x = 23,105,935,640.59/173,169.05
  6. Step 6: Final answer
    x = 133,429.94

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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.