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Finding the Fourth Proportional to 303,693.64, 455,552.70 and 114,134.20

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Solution

The fourth proportional to 303,693.64, 455,552.70 and 114,134.20 is: 171,205.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,693.64 : 455,552.70 = 114,134.20 : x
  2. Step 2: Convert to fraction form
    303,693.64/455,552.70 = 114,134.20/x
  3. Step 3: Cross multiply
    303,693.64x = 455,552.70 × 114,134.20
  4. Step 4: Simplify right side
    303,693.64x = 51,994,142,972.34
  5. Step 5: Solve for x
    x = 51,994,142,972.34/303,693.64
  6. Step 6: Final answer
    x = 171,205.90

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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.