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Finding the Fourth Proportional to 235,226.70, 324,664.20 and 144,660.60

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Solution

The fourth proportional to 235,226.70, 324,664.20 and 144,660.60 is: 199,663.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,226.70 : 324,664.20 = 144,660.60 : x
  2. Step 2: Convert to fraction form
    235,226.70/324,664.20 = 144,660.60/x
  3. Step 3: Cross multiply
    235,226.70x = 324,664.20 × 144,660.60
  4. Step 4: Simplify right side
    235,226.70x = 46,966,117,970.52
  5. Step 5: Solve for x
    x = 46,966,117,970.52/235,226.70
  6. Step 6: Final answer
    x = 199,663.21

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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.