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Finding the Fourth Proportional to 199,398.96, 299,097.48 and 189,432.24

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Solution

The fourth proportional to 199,398.96, 299,097.48 and 189,432.24 is: 284,147.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,398.96 : 299,097.48 = 189,432.24 : x
  2. Step 2: Convert to fraction form
    199,398.96/299,097.48 = 189,432.24/x
  3. Step 3: Cross multiply
    199,398.96x = 299,097.48 × 189,432.24
  4. Step 4: Simplify right side
    199,398.96x = 56,658,705,614.76
  5. Step 5: Solve for x
    x = 56,658,705,614.76/199,398.96
  6. Step 6: Final answer
    x = 284,147.45

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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.