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Finding the Fourth Proportional to 64,906.08, 97,358 and 18,158.32

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Solution

The fourth proportional to 64,906.08, 97,358 and 18,158.32 is: 27,237.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,906.08 : 97,358 = 18,158.32 : x
  2. Step 2: Convert to fraction form
    64,906.08/97,358 = 18,158.32/x
  3. Step 3: Cross multiply
    64,906.08x = 97,358 × 18,158.32
  4. Step 4: Simplify right side
    64,906.08x = 1,767,857,718.56
  5. Step 5: Solve for x
    x = 1,767,857,718.56/64,906.08
  6. Step 6: Final answer
    x = 27,237.17

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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.