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Finding the Fourth Proportional to 185,702.37, 256,272.08 and 100,819.43

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Solution

The fourth proportional to 185,702.37, 256,272.08 and 100,819.43 is: 139,132.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,702.37 : 256,272.08 = 100,819.43 : x
  2. Step 2: Convert to fraction form
    185,702.37/256,272.08 = 100,819.43/x
  3. Step 3: Cross multiply
    185,702.37x = 256,272.08 × 100,819.43
  4. Step 4: Simplify right side
    185,702.37x = 25,837,205,030.51
  5. Step 5: Solve for x
    x = 25,837,205,030.51/185,702.37
  6. Step 6: Final answer
    x = 139,132.34

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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.