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Finding the Fourth Proportional to 64,983.56, 97,253.56 and 54,465.45

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Solution

The fourth proportional to 64,983.56, 97,253.56 and 54,465.45 is: 81,512.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,983.56 : 97,253.56 = 54,465.45 : x
  2. Step 2: Convert to fraction form
    64,983.56/97,253.56 = 54,465.45/x
  3. Step 3: Cross multiply
    64,983.56x = 97,253.56 × 54,465.45
  4. Step 4: Simplify right side
    64,983.56x = 5,296,958,773.34
  5. Step 5: Solve for x
    x = 5,296,958,773.34/64,983.56
  6. Step 6: Final answer
    x = 81,512.30

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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.