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Finding the Fourth Proportional to 164,072.70, 246,109.05 and 122,600.70

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Solution

The fourth proportional to 164,072.70, 246,109.05 and 122,600.70 is: 183,901.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,072.70 : 246,109.05 = 122,600.70 : x
  2. Step 2: Convert to fraction form
    164,072.70/246,109.05 = 122,600.70/x
  3. Step 3: Cross multiply
    164,072.70x = 246,109.05 × 122,600.70
  4. Step 4: Simplify right side
    164,072.70x = 30,173,141,806.34
  5. Step 5: Solve for x
    x = 30,173,141,806.34/164,072.70
  6. Step 6: Final answer
    x = 183,901.05

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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.