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Finding the Fourth Proportional to 303,092.68, 454,638.38 and 92,730.76

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Solution

The fourth proportional to 303,092.68, 454,638.38 and 92,730.76 is: 139,095.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,092.68 : 454,638.38 = 92,730.76 : x
  2. Step 2: Convert to fraction form
    303,092.68/454,638.38 = 92,730.76/x
  3. Step 3: Cross multiply
    303,092.68x = 454,638.38 × 92,730.76
  4. Step 4: Simplify right side
    303,092.68x = 42,158,962,502.57
  5. Step 5: Solve for x
    x = 42,158,962,502.57/303,092.68
  6. Step 6: Final answer
    x = 139,095.94

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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.