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Finding the Fourth Proportional to 64,852.20, 97,124.70 and 43,962.60

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Solution

The fourth proportional to 64,852.20, 97,124.70 and 43,962.60 is: 65,839.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,852.20 : 97,124.70 = 43,962.60 : x
  2. Step 2: Convert to fraction form
    64,852.20/97,124.70 = 43,962.60/x
  3. Step 3: Cross multiply
    64,852.20x = 97,124.70 × 43,962.60
  4. Step 4: Simplify right side
    64,852.20x = 4,269,854,336.22
  5. Step 5: Solve for x
    x = 4,269,854,336.22/64,852.20
  6. Step 6: Final answer
    x = 65,839.78

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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.