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Finding the Fourth Proportional to 185,510.64, 256,004.67 and 104,936.43

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Solution

The fourth proportional to 185,510.64, 256,004.67 and 104,936.43 is: 144,812.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,510.64 : 256,004.67 = 104,936.43 : x
  2. Step 2: Convert to fraction form
    185,510.64/256,004.67 = 104,936.43/x
  3. Step 3: Cross multiply
    185,510.64x = 256,004.67 × 104,936.43
  4. Step 4: Simplify right side
    185,510.64x = 26,864,216,133.13
  5. Step 5: Solve for x
    x = 26,864,216,133.13/185,510.64
  6. Step 6: Final answer
    x = 144,812.27

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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.