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Finding the Fourth Proportional to 198,580.51, 297,870.92 and 56,407.44

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Solution

The fourth proportional to 198,580.51, 297,870.92 and 56,407.44 is: 84,611.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,580.51 : 297,870.92 = 56,407.44 : x
  2. Step 2: Convert to fraction form
    198,580.51/297,870.92 = 56,407.44/x
  3. Step 3: Cross multiply
    198,580.51x = 297,870.92 × 56,407.44
  4. Step 4: Simplify right side
    198,580.51x = 16,802,135,418.63
  5. Step 5: Solve for x
    x = 16,802,135,418.63/198,580.51
  6. Step 6: Final answer
    x = 84,611.20

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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.