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Finding the Fourth Proportional to 65,210,682.80, 97,704,049.80 and 34,459,713.20

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Solution

The fourth proportional to 65,210,682.80, 97,704,049.80 and 34,459,713.20 is: 51,630,398.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,210,682.80 : 97,704,049.80 = 34,459,713.20 : x
  2. Step 2: Convert to fraction form
    65,210,682.80/97,704,049.80 = 34,459,713.20/x
  3. Step 3: Cross multiply
    65,210,682.80x = 97,704,049.80 × 34,459,713.20
  4. Step 4: Simplify right side
    65,210,682.80x = 3,366,853,534,586,517.50
  5. Step 5: Solve for x
    x = 3,366,853,534,586,517.50/65,210,682.80
  6. Step 6: Final answer
    x = 51,630,398.43

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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.