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Finding the Fourth Proportional to 65,199,115.30, 97,798,672.95 and 19,755,004.90

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Solution

The fourth proportional to 65,199,115.30, 97,798,672.95 and 19,755,004.90 is: 29,632,507.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,199,115.30 : 97,798,672.95 = 19,755,004.90 : x
  2. Step 2: Convert to fraction form
    65,199,115.30/97,798,672.95 = 19,755,004.90/x
  3. Step 3: Cross multiply
    65,199,115.30x = 97,798,672.95 × 19,755,004.90
  4. Step 4: Simplify right side
    65,199,115.30x = 1,932,013,263,340,747.25
  5. Step 5: Solve for x
    x = 1,932,013,263,340,747.25/65,199,115.30
  6. Step 6: Final answer
    x = 29,632,507.35

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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.