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Finding the Fourth Proportional to 104,124.57, 143,683.62 and 58,806.97

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Solution

The fourth proportional to 104,124.57, 143,683.62 and 58,806.97 is: 81,148.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,124.57 : 143,683.62 = 58,806.97 : x
  2. Step 2: Convert to fraction form
    104,124.57/143,683.62 = 58,806.97/x
  3. Step 3: Cross multiply
    104,124.57x = 143,683.62 × 58,806.97
  4. Step 4: Simplify right side
    104,124.57x = 8,449,597,751.10
  5. Step 5: Solve for x
    x = 8,449,597,751.10/104,124.57
  6. Step 6: Final answer
    x = 81,148.94

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1.5x scale

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.