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Finding the Fourth Proportional to 64,818.40, 97,151.17 and 29,238.07

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Solution

The fourth proportional to 64,818.40, 97,151.17 and 29,238.07 is: 43,822.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,818.40 : 97,151.17 = 29,238.07 : x
  2. Step 2: Convert to fraction form
    64,818.40/97,151.17 = 29,238.07/x
  3. Step 3: Cross multiply
    64,818.40x = 97,151.17 × 29,238.07
  4. Step 4: Simplify right side
    64,818.40x = 2,840,512,709.04
  5. Step 5: Solve for x
    x = 2,840,512,709.04/64,818.40
  6. Step 6: Final answer
    x = 43,822.63

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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.