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Finding the Fourth Proportional to 303,356.84, 455,122.74 and 93,025.76

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Solution

The fourth proportional to 303,356.84, 455,122.74 and 93,025.76 is: 139,565.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,356.84 : 455,122.74 = 93,025.76 : x
  2. Step 2: Convert to fraction form
    303,356.84/455,122.74 = 93,025.76/x
  3. Step 3: Cross multiply
    303,356.84x = 455,122.74 × 93,025.76
  4. Step 4: Simplify right side
    303,356.84x = 42,338,138,781.78
  5. Step 5: Solve for x
    x = 42,338,138,781.78/303,356.84
  6. Step 6: Final answer
    x = 139,565.47

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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.