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Finding the Fourth Proportional to 104,580.81, 156,870.99 and 29,701.67

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Solution

The fourth proportional to 104,580.81, 156,870.99 and 29,701.67 is: 44,552.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,580.81 : 156,870.99 = 29,701.67 : x
  2. Step 2: Convert to fraction form
    104,580.81/156,870.99 = 29,701.67/x
  3. Step 3: Cross multiply
    104,580.81x = 156,870.99 × 29,701.67
  4. Step 4: Simplify right side
    104,580.81x = 4,659,329,593.20
  5. Step 5: Solve for x
    x = 4,659,329,593.20/104,580.81
  6. Step 6: Final answer
    x = 44,552.43

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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.