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Finding the Fourth Proportional to 64,850.60, 97,228.64 and 43,738.22

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Solution

The fourth proportional to 64,850.60, 97,228.64 and 43,738.22 is: 65,575.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,850.60 : 97,228.64 = 43,738.22 : x
  2. Step 2: Convert to fraction form
    64,850.60/97,228.64 = 43,738.22/x
  3. Step 3: Cross multiply
    64,850.60x = 97,228.64 × 43,738.22
  4. Step 4: Simplify right side
    64,850.60x = 4,252,607,646.62
  5. Step 5: Solve for x
    x = 4,252,607,646.62/64,850.60
  6. Step 6: Final answer
    x = 65,575.46

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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.