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Finding the Fourth Proportional to 159,146.64, 219,548.52 and 95,373.72

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Solution

The fourth proportional to 159,146.64, 219,548.52 and 95,373.72 is: 131,571.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,146.64 : 219,548.52 = 95,373.72 : x
  2. Step 2: Convert to fraction form
    159,146.64/219,548.52 = 95,373.72/x
  3. Step 3: Cross multiply
    159,146.64x = 219,548.52 × 95,373.72
  4. Step 4: Simplify right side
    159,146.64x = 20,939,159,072.89
  5. Step 5: Solve for x
    x = 20,939,159,072.89/159,146.64
  6. Step 6: Final answer
    x = 131,571.48

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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.