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Finding the Fourth Proportional to 207,058.73, 310,595.00 and 57,286.47

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Solution

The fourth proportional to 207,058.73, 310,595.00 and 57,286.47 is: 85,931.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,058.73 : 310,595.00 = 57,286.47 : x
  2. Step 2: Convert to fraction form
    207,058.73/310,595.00 = 57,286.47/x
  3. Step 3: Cross multiply
    207,058.73x = 310,595.00 × 57,286.47
  4. Step 4: Simplify right side
    207,058.73x = 17,792,890,863.22
  5. Step 5: Solve for x
    x = 17,792,890,863.22/207,058.73
  6. Step 6: Final answer
    x = 85,931.62

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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.