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Finding the Fourth Proportional to 192,680.69, 265,810.61 and 124,719.53

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Solution

The fourth proportional to 192,680.69, 265,810.61 and 124,719.53 is: 172,055.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,680.69 : 265,810.61 = 124,719.53 : x
  2. Step 2: Convert to fraction form
    192,680.69/265,810.61 = 124,719.53/x
  3. Step 3: Cross multiply
    192,680.69x = 265,810.61 × 124,719.53
  4. Step 4: Simplify right side
    192,680.69x = 33,151,773,330.96
  5. Step 5: Solve for x
    x = 33,151,773,330.96/192,680.69
  6. Step 6: Final answer
    x = 172,055.51

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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.