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Finding the Fourth Proportional to 199,943.40, 299,915.10 and 183,613.80

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Solution

The fourth proportional to 199,943.40, 299,915.10 and 183,613.80 is: 275,420.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,943.40 : 299,915.10 = 183,613.80 : x
  2. Step 2: Convert to fraction form
    199,943.40/299,915.10 = 183,613.80/x
  3. Step 3: Cross multiply
    199,943.40x = 299,915.10 × 183,613.80
  4. Step 4: Simplify right side
    199,943.40x = 55,068,551,188.38
  5. Step 5: Solve for x
    x = 55,068,551,188.38/199,943.40
  6. Step 6: Final answer
    x = 275,420.70

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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.