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Finding the Fourth Proportional to 164,720.64, 244,961.87 and 159,471.84

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Solution

The fourth proportional to 164,720.64, 244,961.87 and 159,471.84 is: 237,156.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,720.64 : 244,961.87 = 159,471.84 : x
  2. Step 2: Convert to fraction form
    164,720.64/244,961.87 = 159,471.84/x
  3. Step 3: Cross multiply
    164,720.64x = 244,961.87 × 159,471.84
  4. Step 4: Simplify right side
    164,720.64x = 39,064,520,138.74
  5. Step 5: Solve for x
    x = 39,064,520,138.74/164,720.64
  6. Step 6: Final answer
    x = 237,156.19

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.