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Finding the Fourth Proportional to 199,356.59, 299,064.76 and 64,375.56

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Solution

The fourth proportional to 199,356.59, 299,064.76 and 64,375.56 is: 96,572.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,356.59 : 299,064.76 = 64,375.56 : x
  2. Step 2: Convert to fraction form
    199,356.59/299,064.76 = 64,375.56/x
  3. Step 3: Cross multiply
    199,356.59x = 299,064.76 × 64,375.56
  4. Step 4: Simplify right side
    199,356.59x = 19,252,461,240.33
  5. Step 5: Solve for x
    x = 19,252,461,240.33/199,356.59
  6. Step 6: Final answer
    x = 96,572.99

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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.