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Finding the Fourth Proportional to 19,360,055.90, 29,040,083.85 and 19,360,055.90

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Solution

The fourth proportional to 19,360,055.90, 29,040,083.85 and 19,360,055.90 is: 29,040,083.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,360,055.90 : 29,040,083.85 = 19,360,055.90 : x
  2. Step 2: Convert to fraction form
    19,360,055.90/29,040,083.85 = 19,360,055.90/x
  3. Step 3: Cross multiply
    19,360,055.90x = 29,040,083.85 × 19,360,055.90
  4. Step 4: Simplify right side
    19,360,055.90x = 562,217,646,676,687.19
  5. Step 5: Solve for x
    x = 562,217,646,676,687.19/19,360,055.90
  6. Step 6: Final answer
    x = 29,040,083.85

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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.