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Finding the Fourth Proportional to 122,414.70, 183,622.05 and 69,926.70

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Solution

The fourth proportional to 122,414.70, 183,622.05 and 69,926.70 is: 104,890.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,414.70 : 183,622.05 = 69,926.70 : x
  2. Step 2: Convert to fraction form
    122,414.70/183,622.05 = 69,926.70/x
  3. Step 3: Cross multiply
    122,414.70x = 183,622.05 × 69,926.70
  4. Step 4: Simplify right side
    122,414.70x = 12,840,084,003.74
  5. Step 5: Solve for x
    x = 12,840,084,003.74/122,414.70
  6. Step 6: Final answer
    x = 104,890.05

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1.5x scale

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.