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Finding the Fourth Proportional to 65,764,205.70, 98,646,308.55 and 63,874,637.70

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Solution

The fourth proportional to 65,764,205.70, 98,646,308.55 and 63,874,637.70 is: 95,811,956.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,764,205.70 : 98,646,308.55 = 63,874,637.70 : x
  2. Step 2: Convert to fraction form
    65,764,205.70/98,646,308.55 = 63,874,637.70/x
  3. Step 3: Cross multiply
    65,764,205.70x = 98,646,308.55 × 63,874,637.70
  4. Step 4: Simplify right side
    65,764,205.70x = 6,300,997,219,073,662
  5. Step 5: Solve for x
    x = 6,300,997,219,073,662/65,764,205.70
  6. Step 6: Final answer
    x = 95,811,956.55

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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.