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Finding the Fourth Proportional to 43,561,569.15, 65,342,353.73 and 43,561,569.15

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Solution

The fourth proportional to 43,561,569.15, 65,342,353.73 and 43,561,569.15 is: 65,342,353.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,561,569.15 : 65,342,353.73 = 43,561,569.15 : x
  2. Step 2: Convert to fraction form
    43,561,569.15/65,342,353.73 = 43,561,569.15/x
  3. Step 3: Cross multiply
    43,561,569.15x = 65,342,353.73 × 43,561,569.15
  4. Step 4: Simplify right side
    43,561,569.15x = 2,846,415,460,215,347.50
  5. Step 5: Solve for x
    x = 2,846,415,460,215,347.50/43,561,569.15
  6. Step 6: Final answer
    x = 65,342,353.73

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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.