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Finding the Fourth Proportional to 88,706.70, 122,414.27 and 48,420.14

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Solution

The fourth proportional to 88,706.70, 122,414.27 and 48,420.14 is: 66,819.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,706.70 : 122,414.27 = 48,420.14 : x
  2. Step 2: Convert to fraction form
    88,706.70/122,414.27 = 48,420.14/x
  3. Step 3: Cross multiply
    88,706.70x = 122,414.27 × 48,420.14
  4. Step 4: Simplify right side
    88,706.70x = 5,927,315,237.23
  5. Step 5: Solve for x
    x = 5,927,315,237.23/88,706.70
  6. Step 6: Final answer
    x = 66,819.25

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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.