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Finding the Fourth Proportional to 104,701.87, 144,487.87 and 59,388.67

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Solution

The fourth proportional to 104,701.87, 144,487.87 and 59,388.67 is: 81,955.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,701.87 : 144,487.87 = 59,388.67 : x
  2. Step 2: Convert to fraction form
    104,701.87/144,487.87 = 59,388.67/x
  3. Step 3: Cross multiply
    104,701.87x = 144,487.87 × 59,388.67
  4. Step 4: Simplify right side
    104,701.87x = 8,580,942,430.43
  5. Step 5: Solve for x
    x = 8,580,942,430.43/104,701.87
  6. Step 6: Final answer
    x = 81,955.96

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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.