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Finding the Fourth Proportional to 64,984.60, 97,331.10 and 63,526.60

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Solution

The fourth proportional to 64,984.60, 97,331.10 and 63,526.60 is: 95,147.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,984.60 : 97,331.10 = 63,526.60 : x
  2. Step 2: Convert to fraction form
    64,984.60/97,331.10 = 63,526.60/x
  3. Step 3: Cross multiply
    64,984.60x = 97,331.10 × 63,526.60
  4. Step 4: Simplify right side
    64,984.60x = 6,183,113,857.26
  5. Step 5: Solve for x
    x = 6,183,113,857.26/64,984.60
  6. Step 6: Final answer
    x = 95,147.37

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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.