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Finding the Fourth Proportional to 248,672.92, 373,011.98 and 199,068.40

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Solution

The fourth proportional to 248,672.92, 373,011.98 and 199,068.40 is: 298,604.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,672.92 : 373,011.98 = 199,068.40 : x
  2. Step 2: Convert to fraction form
    248,672.92/373,011.98 = 199,068.40/x
  3. Step 3: Cross multiply
    248,672.92x = 373,011.98 × 199,068.40
  4. Step 4: Simplify right side
    248,672.92x = 74,254,898,039.43
  5. Step 5: Solve for x
    x = 74,254,898,039.43/248,672.92
  6. Step 6: Final answer
    x = 298,604.68

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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.