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Finding the Fourth Proportional to 173,240, 239,071.32 and 93,752

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Solution

The fourth proportional to 173,240, 239,071.32 and 93,752 is: 129,377.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,240 : 239,071.32 = 93,752 : x
  2. Step 2: Convert to fraction form
    173,240/239,071.32 = 93,752/x
  3. Step 3: Cross multiply
    173,240x = 239,071.32 × 93,752
  4. Step 4: Simplify right side
    173,240x = 22,413,414,392.64
  5. Step 5: Solve for x
    x = 22,413,414,392.64/173,240
  6. Step 6: Final answer
    x = 129,377.82

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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.