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Finding the Fourth Proportional to 303,545.99, 455,280.10 and 93,166.31

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Solution

The fourth proportional to 303,545.99, 455,280.10 and 93,166.31 is: 139,737.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,545.99 : 455,280.10 = 93,166.31 : x
  2. Step 2: Convert to fraction form
    303,545.99/455,280.10 = 93,166.31/x
  3. Step 3: Cross multiply
    303,545.99x = 455,280.10 × 93,166.31
  4. Step 4: Simplify right side
    303,545.99x = 42,416,766,933.43
  5. Step 5: Solve for x
    x = 42,416,766,933.43/303,545.99
  6. Step 6: Final answer
    x = 139,737.53

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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.