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Finding the Fourth Proportional to 64,735,136.40, 97,102,704.60 and 26,375,739.60

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Solution

The fourth proportional to 64,735,136.40, 97,102,704.60 and 26,375,739.60 is: 39,563,609.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,735,136.40 : 97,102,704.60 = 26,375,739.60 : x
  2. Step 2: Convert to fraction form
    64,735,136.40/97,102,704.60 = 26,375,739.60/x
  3. Step 3: Cross multiply
    64,735,136.40x = 97,102,704.60 × 26,375,739.60
  4. Step 4: Simplify right side
    64,735,136.40x = 2,561,155,650,985,322
  5. Step 5: Solve for x
    x = 2,561,155,650,985,322/64,735,136.40
  6. Step 6: Final answer
    x = 39,563,609.40

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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.