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Finding the Fourth Proportional to 199,522.38, 299,033.85 and 99,710.46

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Solution

The fourth proportional to 199,522.38, 299,033.85 and 99,710.46 is: 149,440.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,522.38 : 299,033.85 = 99,710.46 : x
  2. Step 2: Convert to fraction form
    199,522.38/299,033.85 = 99,710.46/x
  3. Step 3: Cross multiply
    199,522.38x = 299,033.85 × 99,710.46
  4. Step 4: Simplify right side
    199,522.38x = 29,816,802,739.07
  5. Step 5: Solve for x
    x = 29,816,802,739.07/199,522.38
  6. Step 6: Final answer
    x = 149,440.89

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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.