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Finding the Fourth Proportional to 185,641.94, 256,186.10 and 100,759.02

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Solution

The fourth proportional to 185,641.94, 256,186.10 and 100,759.02 is: 139,047.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,641.94 : 256,186.10 = 100,759.02 : x
  2. Step 2: Convert to fraction form
    185,641.94/256,186.10 = 100,759.02/x
  3. Step 3: Cross multiply
    185,641.94x = 256,186.10 × 100,759.02
  4. Step 4: Simplify right side
    185,641.94x = 25,813,060,625.52
  5. Step 5: Solve for x
    x = 25,813,060,625.52/185,641.94
  6. Step 6: Final answer
    x = 139,047.57

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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.