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Finding the Fourth Proportional to 73,368.75, 101,248.89 and 39,834.75

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Solution

The fourth proportional to 73,368.75, 101,248.89 and 39,834.75 is: 54,971.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,368.75 : 101,248.89 = 39,834.75 : x
  2. Step 2: Convert to fraction form
    73,368.75/101,248.89 = 39,834.75/x
  3. Step 3: Cross multiply
    73,368.75x = 101,248.89 × 39,834.75
  4. Step 4: Simplify right side
    73,368.75x = 4,033,224,220.93
  5. Step 5: Solve for x
    x = 4,033,224,220.93/73,368.75
  6. Step 6: Final answer
    x = 54,971.96

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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.