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Finding the Fourth Proportional to 203,886.88, 305,830.32 and 63,657.52

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Solution

The fourth proportional to 203,886.88, 305,830.32 and 63,657.52 is: 95,486.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,886.88 : 305,830.32 = 63,657.52 : x
  2. Step 2: Convert to fraction form
    203,886.88/305,830.32 = 63,657.52/x
  3. Step 3: Cross multiply
    203,886.88x = 305,830.32 × 63,657.52
  4. Step 4: Simplify right side
    203,886.88x = 19,468,398,708.71
  5. Step 5: Solve for x
    x = 19,468,398,708.71/203,886.88
  6. Step 6: Final answer
    x = 95,486.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.