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Finding the Fourth Proportional to 205,063.92, 307,610.46 and 62,890.74

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Solution

The fourth proportional to 205,063.92, 307,610.46 and 62,890.74 is: 94,340.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,063.92 : 307,610.46 = 62,890.74 : x
  2. Step 2: Convert to fraction form
    205,063.92/307,610.46 = 62,890.74/x
  3. Step 3: Cross multiply
    205,063.92x = 307,610.46 × 62,890.74
  4. Step 4: Simplify right side
    205,063.92x = 19,345,849,461.14
  5. Step 5: Solve for x
    x = 19,345,849,461.14/205,063.92
  6. Step 6: Final answer
    x = 94,340.58

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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.