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Finding the Fourth Proportional to 159,886.98, 239,879.34 and 95,916.02

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Solution

The fourth proportional to 159,886.98, 239,879.34 and 95,916.02 is: 143,903.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,886.98 : 239,879.34 = 95,916.02 : x
  2. Step 2: Convert to fraction form
    159,886.98/239,879.34 = 95,916.02/x
  3. Step 3: Cross multiply
    159,886.98x = 239,879.34 × 95,916.02
  4. Step 4: Simplify right side
    159,886.98x = 23,008,270,373.63
  5. Step 5: Solve for x
    x = 23,008,270,373.63/159,886.98
  6. Step 6: Final answer
    x = 143,903.34

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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.