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Finding the Fourth Proportional to 159,000.75, 238,536.21 and 88,026.93

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Solution

The fourth proportional to 159,000.75, 238,536.21 and 88,026.93 is: 132,059.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,000.75 : 238,536.21 = 88,026.93 : x
  2. Step 2: Convert to fraction form
    159,000.75/238,536.21 = 88,026.93/x
  3. Step 3: Cross multiply
    159,000.75x = 238,536.21 × 88,026.93
  4. Step 4: Simplify right side
    159,000.75x = 20,997,610,260.14
  5. Step 5: Solve for x
    x = 20,997,610,260.14/159,000.75
  6. Step 6: Final answer
    x = 132,059.82

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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.