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Finding the Fourth Proportional to 88,636.69, 122,319.41 and 48,350.63

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Solution

The fourth proportional to 88,636.69, 122,319.41 and 48,350.63 is: 66,724.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,636.69 : 122,319.41 = 48,350.63 : x
  2. Step 2: Convert to fraction form
    88,636.69/122,319.41 = 48,350.63/x
  3. Step 3: Cross multiply
    88,636.69x = 122,319.41 × 48,350.63
  4. Step 4: Simplify right side
    88,636.69x = 5,914,220,292.98
  5. Step 5: Solve for x
    x = 5,914,220,292.98/88,636.69
  6. Step 6: Final answer
    x = 66,724.29

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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.