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Finding the Fourth Proportional to 199,057.68, 298,628.64 and 65,930.40

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Solution

The fourth proportional to 199,057.68, 298,628.64 and 65,930.40 is: 98,909.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,057.68 : 298,628.64 = 65,930.40 : x
  2. Step 2: Convert to fraction form
    199,057.68/298,628.64 = 65,930.40/x
  3. Step 3: Cross multiply
    199,057.68x = 298,628.64 × 65,930.40
  4. Step 4: Simplify right side
    199,057.68x = 19,688,705,686.66
  5. Step 5: Solve for x
    x = 19,688,705,686.66/199,057.68
  6. Step 6: Final answer
    x = 98,909.55

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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.