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Finding the Fourth Proportional to 173,821.82, 239,877.72 and 105,841.62

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Solution

The fourth proportional to 173,821.82, 239,877.72 and 105,841.62 is: 146,063.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,821.82 : 239,877.72 = 105,841.62 : x
  2. Step 2: Convert to fraction form
    173,821.82/239,877.72 = 105,841.62/x
  3. Step 3: Cross multiply
    173,821.82x = 239,877.72 × 105,841.62
  4. Step 4: Simplify right side
    173,821.82x = 25,389,046,486.71
  5. Step 5: Solve for x
    x = 25,389,046,486.71/173,821.82
  6. Step 6: Final answer
    x = 146,063.64

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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.