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Finding the Fourth Proportional to 64,614.51, 89,166.42 and 36,322.02

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Solution

The fourth proportional to 64,614.51, 89,166.42 and 36,322.02 is: 50,123.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,614.51 : 89,166.42 = 36,322.02 : x
  2. Step 2: Convert to fraction form
    64,614.51/89,166.42 = 36,322.02/x
  3. Step 3: Cross multiply
    64,614.51x = 89,166.42 × 36,322.02
  4. Step 4: Simplify right side
    64,614.51x = 3,238,704,490.57
  5. Step 5: Solve for x
    x = 3,238,704,490.57/64,614.51
  6. Step 6: Final answer
    x = 50,123.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.