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Finding the Fourth Proportional to 65,765,646.45, 98,648,469.68 and 65,765,646.45

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Solution

The fourth proportional to 65,765,646.45, 98,648,469.68 and 65,765,646.45 is: 98,648,469.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,765,646.45 : 98,648,469.68 = 65,765,646.45 : x
  2. Step 2: Convert to fraction form
    65,765,646.45/98,648,469.68 = 65,765,646.45/x
  3. Step 3: Cross multiply
    65,765,646.45x = 98,648,469.68 × 65,765,646.45
  4. Step 4: Simplify right side
    65,765,646.45x = 6,487,680,379,479,597
  5. Step 5: Solve for x
    x = 6,487,680,379,479,597/65,765,646.45
  6. Step 6: Final answer
    x = 98,648,469.68

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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.