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Finding the Fourth Proportional to 65,264,908.70, 97,897,363.05 and 61,233,830.30

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Solution

The fourth proportional to 65,264,908.70, 97,897,363.05 and 61,233,830.30 is: 91,850,745.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,264,908.70 : 97,897,363.05 = 61,233,830.30 : x
  2. Step 2: Convert to fraction form
    65,264,908.70/97,897,363.05 = 61,233,830.30/x
  3. Step 3: Cross multiply
    65,264,908.70x = 97,897,363.05 × 61,233,830.30
  4. Step 4: Simplify right side
    65,264,908.70x = 5,994,630,515,821,190
  5. Step 5: Solve for x
    x = 5,994,630,515,821,190/65,264,908.70
  6. Step 6: Final answer
    x = 91,850,745.45

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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.