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Finding the Fourth Proportional to 305,110.01, 457,644.49 and 105,433.13

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Solution

The fourth proportional to 305,110.01, 457,644.49 and 105,433.13 is: 158,142.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,110.01 : 457,644.49 = 105,433.13 : x
  2. Step 2: Convert to fraction form
    305,110.01/457,644.49 = 105,433.13/x
  3. Step 3: Cross multiply
    305,110.01x = 457,644.49 × 105,433.13
  4. Step 4: Simplify right side
    305,110.01x = 48,250,891,007.95
  5. Step 5: Solve for x
    x = 48,250,891,007.95/305,110.01
  6. Step 6: Final answer
    x = 158,142.60

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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.