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Finding the Fourth Proportional to 148,487, 222,624.72 and 69,558.14

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Solution

The fourth proportional to 148,487, 222,624.72 and 69,558.14 is: 104,287.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,487 : 222,624.72 = 69,558.14 : x
  2. Step 2: Convert to fraction form
    148,487/222,624.72 = 69,558.14/x
  3. Step 3: Cross multiply
    148,487x = 222,624.72 × 69,558.14
  4. Step 4: Simplify right side
    148,487x = 15,485,361,441.22
  5. Step 5: Solve for x
    x = 15,485,361,441.22/148,487
  6. Step 6: Final answer
    x = 104,287.66

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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.