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Finding the Fourth Proportional to 64,803.40, 97,116.22 and 33,147.16

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Solution

The fourth proportional to 64,803.40, 97,116.22 and 33,147.16 is: 49,675.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,803.40 : 97,116.22 = 33,147.16 : x
  2. Step 2: Convert to fraction form
    64,803.40/97,116.22 = 33,147.16/x
  3. Step 3: Cross multiply
    64,803.40x = 97,116.22 × 33,147.16
  4. Step 4: Simplify right side
    64,803.40x = 3,219,126,882.94
  5. Step 5: Solve for x
    x = 3,219,126,882.94/64,803.40
  6. Step 6: Final answer
    x = 49,675.28

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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.