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Finding the Fourth Proportional to 159,985.48, 239,375.18 and 95,705.48

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Solution

The fourth proportional to 159,985.48, 239,375.18 and 95,705.48 is: 143,197.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,985.48 : 239,375.18 = 95,705.48 : x
  2. Step 2: Convert to fraction form
    159,985.48/239,375.18 = 95,705.48/x
  3. Step 3: Cross multiply
    159,985.48x = 239,375.18 × 95,705.48
  4. Step 4: Simplify right side
    159,985.48x = 22,909,516,501.99
  5. Step 5: Solve for x
    x = 22,909,516,501.99/159,985.48
  6. Step 6: Final answer
    x = 143,197.47

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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.