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Finding the Fourth Proportional to 195,465.60, 269,427.60 and 163,972.80

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Solution

The fourth proportional to 195,465.60, 269,427.60 and 163,972.80 is: 226,018.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,465.60 : 269,427.60 = 163,972.80 : x
  2. Step 2: Convert to fraction form
    195,465.60/269,427.60 = 163,972.80/x
  3. Step 3: Cross multiply
    195,465.60x = 269,427.60 × 163,972.80
  4. Step 4: Simplify right side
    195,465.60x = 44,178,797,969.28
  5. Step 5: Solve for x
    x = 44,178,797,969.28/195,465.60
  6. Step 6: Final answer
    x = 226,018.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.