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Finding the Fourth Proportional to 207,086.77, 310,630.47 and 62,993.86

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Solution

The fourth proportional to 207,086.77, 310,630.47 and 62,993.86 is: 94,490.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,086.77 : 310,630.47 = 62,993.86 : x
  2. Step 2: Convert to fraction form
    207,086.77/310,630.47 = 62,993.86/x
  3. Step 3: Cross multiply
    207,086.77x = 310,630.47 × 62,993.86
  4. Step 4: Simplify right side
    207,086.77x = 19,567,812,338.91
  5. Step 5: Solve for x
    x = 19,567,812,338.91/207,086.77
  6. Step 6: Final answer
    x = 94,490.89

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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.