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Finding the Fourth Proportional to 14,043,348.30, 19,687,229.70 and 14,043,348.30

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Solution

The fourth proportional to 14,043,348.30, 19,687,229.70 and 14,043,348.30 is: 19,687,229.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,043,348.30 : 19,687,229.70 = 14,043,348.30 : x
  2. Step 2: Convert to fraction form
    14,043,348.30/19,687,229.70 = 14,043,348.30/x
  3. Step 3: Cross multiply
    14,043,348.30x = 19,687,229.70 × 14,043,348.30
  4. Step 4: Simplify right side
    14,043,348.30x = 276,474,623,739,204.50
  5. Step 5: Solve for x
    x = 276,474,623,739,204.50/14,043,348.30
  6. Step 6: Final answer
    x = 19,687,229.70

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.