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Finding the Fourth Proportional to 239,818.94, 330,941.46 and 132,386.67

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Solution

The fourth proportional to 239,818.94, 330,941.46 and 132,386.67 is: 182,688.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,818.94 : 330,941.46 = 132,386.67 : x
  2. Step 2: Convert to fraction form
    239,818.94/330,941.46 = 132,386.67/x
  3. Step 3: Cross multiply
    239,818.94x = 330,941.46 × 132,386.67
  4. Step 4: Simplify right side
    239,818.94x = 43,812,238,350.79
  5. Step 5: Solve for x
    x = 43,812,238,350.79/239,818.94
  6. Step 6: Final answer
    x = 182,688.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.