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Finding the Fourth Proportional to 192,059.76, 265,044.48 and 107,175

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Solution

The fourth proportional to 192,059.76, 265,044.48 and 107,175 is: 147,902.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,059.76 : 265,044.48 = 107,175 : x
  2. Step 2: Convert to fraction form
    192,059.76/265,044.48 = 107,175/x
  3. Step 3: Cross multiply
    192,059.76x = 265,044.48 × 107,175
  4. Step 4: Simplify right side
    192,059.76x = 28,406,142,144.00
  5. Step 5: Solve for x
    x = 28,406,142,144.00/192,059.76
  6. Step 6: Final answer
    x = 147,902.62

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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.