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Finding the Fourth Proportional to 303,460.10, 455,190.15 and 93,097.70

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Solution

The fourth proportional to 303,460.10, 455,190.15 and 93,097.70 is: 139,646.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,460.10 : 455,190.15 = 93,097.70 : x
  2. Step 2: Convert to fraction form
    303,460.10/455,190.15 = 93,097.70/x
  3. Step 3: Cross multiply
    303,460.10x = 455,190.15 × 93,097.70
  4. Step 4: Simplify right side
    303,460.10x = 42,377,156,027.66
  5. Step 5: Solve for x
    x = 42,377,156,027.66/303,460.10
  6. Step 6: Final answer
    x = 139,646.55

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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.