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Finding the Fourth Proportional to 148,579, 222,842.60 and 68,610.16

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Solution

The fourth proportional to 148,579, 222,842.60 and 68,610.16 is: 102,903.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,579 : 222,842.60 = 68,610.16 : x
  2. Step 2: Convert to fraction form
    148,579/222,842.60 = 68,610.16/x
  3. Step 3: Cross multiply
    148,579x = 222,842.60 × 68,610.16
  4. Step 4: Simplify right side
    148,579x = 15,289,266,440.82
  5. Step 5: Solve for x
    x = 15,289,266,440.82/148,579
  6. Step 6: Final answer
    x = 102,903.28

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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.