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Finding the Fourth Proportional to 237,162.61, 355,762.41 and 68,685.45

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Solution

The fourth proportional to 237,162.61, 355,762.41 and 68,685.45 is: 103,033.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,162.61 : 355,762.41 = 68,685.45 : x
  2. Step 2: Convert to fraction form
    237,162.61/355,762.41 = 68,685.45/x
  3. Step 3: Cross multiply
    237,162.61x = 355,762.41 × 68,685.45
  4. Step 4: Simplify right side
    237,162.61x = 24,435,701,223.93
  5. Step 5: Solve for x
    x = 24,435,701,223.93/237,162.61
  6. Step 6: Final answer
    x = 103,033.53

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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.