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Finding the Fourth Proportional to 235,189.20, 352,783.80 and 141,646.80

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Solution

The fourth proportional to 235,189.20, 352,783.80 and 141,646.80 is: 212,470.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,189.20 : 352,783.80 = 141,646.80 : x
  2. Step 2: Convert to fraction form
    235,189.20/352,783.80 = 141,646.80/x
  3. Step 3: Cross multiply
    235,189.20x = 352,783.80 × 141,646.80
  4. Step 4: Simplify right side
    235,189.20x = 49,970,696,361.84
  5. Step 5: Solve for x
    x = 49,970,696,361.84/235,189.20
  6. Step 6: Final answer
    x = 212,470.20

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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.