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Finding the Fourth Proportional to 163,362.80, 244,914.60 and 89,490.80

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Solution

The fourth proportional to 163,362.80, 244,914.60 and 89,490.80 is: 134,165.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,362.80 : 244,914.60 = 89,490.80 : x
  2. Step 2: Convert to fraction form
    163,362.80/244,914.60 = 89,490.80/x
  3. Step 3: Cross multiply
    163,362.80x = 244,914.60 × 89,490.80
  4. Step 4: Simplify right side
    163,362.80x = 21,917,603,485.68
  5. Step 5: Solve for x
    x = 21,917,603,485.68/163,362.80
  6. Step 6: Final answer
    x = 134,165.20

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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.