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Finding the Fourth Proportional to 193,401.27, 290,101.50 and 109,123.20

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Solution

The fourth proportional to 193,401.27, 290,101.50 and 109,123.20 is: 163,684.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,401.27 : 290,101.50 = 109,123.20 : x
  2. Step 2: Convert to fraction form
    193,401.27/290,101.50 = 109,123.20/x
  3. Step 3: Cross multiply
    193,401.27x = 290,101.50 × 109,123.20
  4. Step 4: Simplify right side
    193,401.27x = 31,656,804,004.80
  5. Step 5: Solve for x
    x = 31,656,804,004.80/193,401.27
  6. Step 6: Final answer
    x = 163,684.57

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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.