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Finding the Fourth Proportional to 16,854,230.80, 25,245,916.80 and 14,019,878.80

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Solution

The fourth proportional to 16,854,230.80, 25,245,916.80 and 14,019,878.80 is: 21,000,346.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,854,230.80 : 25,245,916.80 = 14,019,878.80 : x
  2. Step 2: Convert to fraction form
    16,854,230.80/25,245,916.80 = 14,019,878.80/x
  3. Step 3: Cross multiply
    16,854,230.80x = 25,245,916.80 × 14,019,878.80
  4. Step 4: Simplify right side
    16,854,230.80x = 353,944,693,730,883.88
  5. Step 5: Solve for x
    x = 353,944,693,730,883.88/16,854,230.80
  6. Step 6: Final answer
    x = 21,000,346.91

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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.