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Finding the Fourth Proportional to 203,886.69, 305,830.04 and 63,657.33

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Solution

The fourth proportional to 203,886.69, 305,830.04 and 63,657.33 is: 95,486.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,886.69 : 305,830.04 = 63,657.33 : x
  2. Step 2: Convert to fraction form
    203,886.69/305,830.04 = 63,657.33/x
  3. Step 3: Cross multiply
    203,886.69x = 305,830.04 × 63,657.33
  4. Step 4: Simplify right side
    203,886.69x = 19,468,323,461.91
  5. Step 5: Solve for x
    x = 19,468,323,461.91/203,886.69
  6. Step 6: Final answer
    x = 95,486.00

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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.