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Finding the Fourth Proportional to 204,808.76, 307,248.32 and 62,650.60

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Solution

The fourth proportional to 204,808.76, 307,248.32 and 62,650.60 is: 93,986.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,808.76 : 307,248.32 = 62,650.60 : x
  2. Step 2: Convert to fraction form
    204,808.76/307,248.32 = 62,650.60/x
  3. Step 3: Cross multiply
    204,808.76x = 307,248.32 × 62,650.60
  4. Step 4: Simplify right side
    204,808.76x = 19,249,291,596.99
  5. Step 5: Solve for x
    x = 19,249,291,596.99/204,808.76
  6. Step 6: Final answer
    x = 93,986.66

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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.