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Finding the Fourth Proportional to 159,437.85, 239,186.21 and 65,950.89

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Solution

The fourth proportional to 159,437.85, 239,186.21 and 65,950.89 is: 98,938.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,437.85 : 239,186.21 = 65,950.89 : x
  2. Step 2: Convert to fraction form
    159,437.85/239,186.21 = 65,950.89/x
  3. Step 3: Cross multiply
    159,437.85x = 239,186.21 × 65,950.89
  4. Step 4: Simplify right side
    159,437.85x = 15,774,544,023.19
  5. Step 5: Solve for x
    x = 15,774,544,023.19/159,437.85
  6. Step 6: Final answer
    x = 98,938.51

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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.