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Finding the Fourth Proportional to 273,445.13, 410,350.01 and 105,104.45

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Solution

The fourth proportional to 273,445.13, 410,350.01 and 105,104.45 is: 157,726.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,445.13 : 410,350.01 = 105,104.45 : x
  2. Step 2: Convert to fraction form
    273,445.13/410,350.01 = 105,104.45/x
  3. Step 3: Cross multiply
    273,445.13x = 410,350.01 × 105,104.45
  4. Step 4: Simplify right side
    273,445.13x = 43,129,609,531.27
  5. Step 5: Solve for x
    x = 43,129,609,531.27/273,445.13
  6. Step 6: Final answer
    x = 157,726.75

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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.