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Finding the Fourth Proportional to 185,963.52, 256,619.16 and 101,079.96

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Solution

The fourth proportional to 185,963.52, 256,619.16 and 101,079.96 is: 139,484.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,963.52 : 256,619.16 = 101,079.96 : x
  2. Step 2: Convert to fraction form
    185,963.52/256,619.16 = 101,079.96/x
  3. Step 3: Cross multiply
    185,963.52x = 256,619.16 × 101,079.96
  4. Step 4: Simplify right side
    185,963.52x = 25,939,054,428.03
  5. Step 5: Solve for x
    x = 25,939,054,428.03/185,963.52
  6. Step 6: Final answer
    x = 139,484.64

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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.