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Finding the Fourth Proportional to 118,325.46, 177,205.08 and 68,301.48

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Solution

The fourth proportional to 118,325.46, 177,205.08 and 68,301.48 is: 102,288.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,325.46 : 177,205.08 = 68,301.48 : x
  2. Step 2: Convert to fraction form
    118,325.46/177,205.08 = 68,301.48/x
  3. Step 3: Cross multiply
    118,325.46x = 177,205.08 × 68,301.48
  4. Step 4: Simplify right side
    118,325.46x = 12,103,369,227.52
  5. Step 5: Solve for x
    x = 12,103,369,227.52/118,325.46
  6. Step 6: Final answer
    x = 102,288.80

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1.5x scale

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.