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Finding the Fourth Proportional to 147,999.60, 222,096.60 and 84,819.60

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Solution

The fourth proportional to 147,999.60, 222,096.60 and 84,819.60 is: 127,285.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,999.60 : 222,096.60 = 84,819.60 : x
  2. Step 2: Convert to fraction form
    147,999.60/222,096.60 = 84,819.60/x
  3. Step 3: Cross multiply
    147,999.60x = 222,096.60 × 84,819.60
  4. Step 4: Simplify right side
    147,999.60x = 18,838,144,773.36
  5. Step 5: Solve for x
    x = 18,838,144,773.36/147,999.60
  6. Step 6: Final answer
    x = 127,285.11

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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.