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Finding the Fourth Proportional to 65,203,928.20, 97,805,892.30 and 34,970,840.20

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Solution

The fourth proportional to 65,203,928.20, 97,805,892.30 and 34,970,840.20 is: 52,456,260.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,203,928.20 : 97,805,892.30 = 34,970,840.20 : x
  2. Step 2: Convert to fraction form
    65,203,928.20/97,805,892.30 = 34,970,840.20/x
  3. Step 3: Cross multiply
    65,203,928.20x = 97,805,892.30 × 34,970,840.20
  4. Step 4: Simplify right side
    65,203,928.20x = 3,420,354,230,241,710.50
  5. Step 5: Solve for x
    x = 3,420,354,230,241,710.50/65,203,928.20
  6. Step 6: Final answer
    x = 52,456,260.30

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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.