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Finding the Fourth Proportional to 193,955.40, 290,933.10 and 134,906.40

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Solution

The fourth proportional to 193,955.40, 290,933.10 and 134,906.40 is: 202,359.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,955.40 : 290,933.10 = 134,906.40 : x
  2. Step 2: Convert to fraction form
    193,955.40/290,933.10 = 134,906.40/x
  3. Step 3: Cross multiply
    193,955.40x = 290,933.10 × 134,906.40
  4. Step 4: Simplify right side
    193,955.40x = 39,248,737,161.84
  5. Step 5: Solve for x
    x = 39,248,737,161.84/193,955.40
  6. Step 6: Final answer
    x = 202,359.60

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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.