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Finding the Fourth Proportional to 303,047.90, 454,498.95 and 92,687.66

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Solution

The fourth proportional to 303,047.90, 454,498.95 and 92,687.66 is: 139,009.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,047.90 : 454,498.95 = 92,687.66 : x
  2. Step 2: Convert to fraction form
    303,047.90/454,498.95 = 92,687.66/x
  3. Step 3: Cross multiply
    303,047.90x = 454,498.95 × 92,687.66
  4. Step 4: Simplify right side
    303,047.90x = 42,126,444,147.96
  5. Step 5: Solve for x
    x = 42,126,444,147.96/303,047.90
  6. Step 6: Final answer
    x = 139,009.19

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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.