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Finding the Fourth Proportional to 19,156,073.40, 26,885,687.40 and 19,156,073.40

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Solution

The fourth proportional to 19,156,073.40, 26,885,687.40 and 19,156,073.40 is: 26,885,687.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,156,073.40 : 26,885,687.40 = 19,156,073.40 : x
  2. Step 2: Convert to fraction form
    19,156,073.40/26,885,687.40 = 19,156,073.40/x
  3. Step 3: Cross multiply
    19,156,073.40x = 26,885,687.40 × 19,156,073.40
  4. Step 4: Simplify right side
    19,156,073.40x = 515,024,201,243,855.06
  5. Step 5: Solve for x
    x = 515,024,201,243,855.06/19,156,073.40
  6. Step 6: Final answer
    x = 26,885,687.40

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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.