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Finding the Fourth Proportional to 192,126.71, 265,133.84 and 111,574.04

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Solution

The fourth proportional to 192,126.71, 265,133.84 and 111,574.04 is: 153,971.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,126.71 : 265,133.84 = 111,574.04 : x
  2. Step 2: Convert to fraction form
    192,126.71/265,133.84 = 111,574.04/x
  3. Step 3: Cross multiply
    192,126.71x = 265,133.84 × 111,574.04
  4. Step 4: Simplify right side
    192,126.71x = 29,582,051,785.97
  5. Step 5: Solve for x
    x = 29,582,051,785.97/192,126.71
  6. Step 6: Final answer
    x = 153,971.58

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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.