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Finding the Fourth Proportional to 16,170,697.20, 24,256,045.80 and 8,084,920.80

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Solution

The fourth proportional to 16,170,697.20, 24,256,045.80 and 8,084,920.80 is: 12,127,381.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,170,697.20 : 24,256,045.80 = 8,084,920.80 : x
  2. Step 2: Convert to fraction form
    16,170,697.20/24,256,045.80 = 8,084,920.80/x
  3. Step 3: Cross multiply
    16,170,697.20x = 24,256,045.80 × 8,084,920.80
  4. Step 4: Simplify right side
    16,170,697.20x = 196,108,209,214,172.66
  5. Step 5: Solve for x
    x = 196,108,209,214,172.66/16,170,697.20
  6. Step 6: Final answer
    x = 12,127,381.20

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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.