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Finding the Fourth Proportional to 205,284.60, 307,809.32 and 63,092.88

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Solution

The fourth proportional to 205,284.60, 307,809.32 and 63,092.88 is: 94,603.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,284.60 : 307,809.32 = 63,092.88 : x
  2. Step 2: Convert to fraction form
    205,284.60/307,809.32 = 63,092.88/x
  3. Step 3: Cross multiply
    205,284.60x = 307,809.32 × 63,092.88
  4. Step 4: Simplify right side
    205,284.60x = 19,420,576,174.18
  5. Step 5: Solve for x
    x = 19,420,576,174.18/205,284.60
  6. Step 6: Final answer
    x = 94,603.18

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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.