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Finding the Fourth Proportional to 159,082.99, 238,627.52 and 127,345.67

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Solution

The fourth proportional to 159,082.99, 238,627.52 and 127,345.67 is: 191,020.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,082.99 : 238,627.52 = 127,345.67 : x
  2. Step 2: Convert to fraction form
    159,082.99/238,627.52 = 127,345.67/x
  3. Step 3: Cross multiply
    159,082.99x = 238,627.52 × 127,345.67
  4. Step 4: Simplify right side
    159,082.99x = 30,388,180,957.37
  5. Step 5: Solve for x
    x = 30,388,180,957.37/159,082.99
  6. Step 6: Final answer
    x = 191,020.93

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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.