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Finding the Fourth Proportional to 101,917.74, 152,817.75 and 39,515.34

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Solution

The fourth proportional to 101,917.74, 152,817.75 and 39,515.34 is: 59,250.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,917.74 : 152,817.75 = 39,515.34 : x
  2. Step 2: Convert to fraction form
    101,917.74/152,817.75 = 39,515.34/x
  3. Step 3: Cross multiply
    101,917.74x = 152,817.75 × 39,515.34
  4. Step 4: Simplify right side
    101,917.74x = 6,038,645,349.29
  5. Step 5: Solve for x
    x = 6,038,645,349.29/101,917.74
  6. Step 6: Final answer
    x = 59,250.19

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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.