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Finding the Fourth Proportional to 239,527.70, 359,309.76 and 139,697.82

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Solution

The fourth proportional to 239,527.70, 359,309.76 and 139,697.82 is: 209,557.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,527.70 : 359,309.76 = 139,697.82 : x
  2. Step 2: Convert to fraction form
    239,527.70/359,309.76 = 139,697.82/x
  3. Step 3: Cross multiply
    239,527.70x = 359,309.76 × 139,697.82
  4. Step 4: Simplify right side
    239,527.70x = 50,194,790,176.72
  5. Step 5: Solve for x
    x = 50,194,790,176.72/239,527.70
  6. Step 6: Final answer
    x = 209,557.35

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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.