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Finding the Fourth Proportional to 199,349.44, 299,024.14 and 136,830.40

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Solution

The fourth proportional to 199,349.44, 299,024.14 and 136,830.40 is: 205,245.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,349.44 : 299,024.14 = 136,830.40 : x
  2. Step 2: Convert to fraction form
    199,349.44/299,024.14 = 136,830.40/x
  3. Step 3: Cross multiply
    199,349.44x = 299,024.14 × 136,830.40
  4. Step 4: Simplify right side
    199,349.44x = 40,915,592,685.86
  5. Step 5: Solve for x
    x = 40,915,592,685.86/199,349.44
  6. Step 6: Final answer
    x = 205,245.59

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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.