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Finding the Fourth Proportional to 205,019.21, 307,573.37 and 62,865.02

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Solution

The fourth proportional to 205,019.21, 307,573.37 and 62,865.02 is: 94,311.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,019.21 : 307,573.37 = 62,865.02 : x
  2. Step 2: Convert to fraction form
    205,019.21/307,573.37 = 62,865.02/x
  3. Step 3: Cross multiply
    205,019.21x = 307,573.37 × 62,865.02
  4. Step 4: Simplify right side
    205,019.21x = 19,335,606,056.52
  5. Step 5: Solve for x
    x = 19,335,606,056.52/205,019.21
  6. Step 6: Final answer
    x = 94,311.19

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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.