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Finding the Fourth Proportional to 64,080.53, 96,066.06 and 45,301.49

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Solution

The fourth proportional to 64,080.53, 96,066.06 and 45,301.49 is: 67,913.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,080.53 : 96,066.06 = 45,301.49 : x
  2. Step 2: Convert to fraction form
    64,080.53/96,066.06 = 45,301.49/x
  3. Step 3: Cross multiply
    64,080.53x = 96,066.06 × 45,301.49
  4. Step 4: Simplify right side
    64,080.53x = 4,351,935,656.43
  5. Step 5: Solve for x
    x = 4,351,935,656.43/64,080.53
  6. Step 6: Final answer
    x = 67,913.54

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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.