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Finding the Fourth Proportional to 199,594.43, 299,280.88 and 66,401.98

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Solution

The fourth proportional to 199,594.43, 299,280.88 and 66,401.98 is: 99,566.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,594.43 : 299,280.88 = 66,401.98 : x
  2. Step 2: Convert to fraction form
    199,594.43/299,280.88 = 66,401.98/x
  3. Step 3: Cross multiply
    199,594.43x = 299,280.88 × 66,401.98
  4. Step 4: Simplify right side
    199,594.43x = 19,872,843,008.14
  5. Step 5: Solve for x
    x = 19,872,843,008.14/199,594.43
  6. Step 6: Final answer
    x = 99,566.12

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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.