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Finding the Fourth Proportional to 73,203.53, 100,981.91 and 44,531.96

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Solution

The fourth proportional to 73,203.53, 100,981.91 and 44,531.96 is: 61,430.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,203.53 : 100,981.91 = 44,531.96 : x
  2. Step 2: Convert to fraction form
    73,203.53/100,981.91 = 44,531.96/x
  3. Step 3: Cross multiply
    73,203.53x = 100,981.91 × 44,531.96
  4. Step 4: Simplify right side
    73,203.53x = 4,496,921,983.26
  5. Step 5: Solve for x
    x = 4,496,921,983.26/73,203.53
  6. Step 6: Final answer
    x = 61,430.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.