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Finding the Fourth Proportional to 148,369.32, 222,699.78 and 108,813.78

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Solution

The fourth proportional to 148,369.32, 222,699.78 and 108,813.78 is: 163,327.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,369.32 : 222,699.78 = 108,813.78 : x
  2. Step 2: Convert to fraction form
    148,369.32/222,699.78 = 108,813.78/x
  3. Step 3: Cross multiply
    148,369.32x = 222,699.78 × 108,813.78
  4. Step 4: Simplify right side
    148,369.32x = 24,232,804,866.97
  5. Step 5: Solve for x
    x = 24,232,804,866.97/148,369.32
  6. Step 6: Final answer
    x = 163,327.60

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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.