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Finding the Fourth Proportional to 118,920.33, 164,103.75 and 67,923.05

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Solution

The fourth proportional to 118,920.33, 164,103.75 and 67,923.05 is: 93,730.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,920.33 : 164,103.75 = 67,923.05 : x
  2. Step 2: Convert to fraction form
    118,920.33/164,103.75 = 67,923.05/x
  3. Step 3: Cross multiply
    118,920.33x = 164,103.75 × 67,923.05
  4. Step 4: Simplify right side
    118,920.33x = 11,146,426,395.92
  5. Step 5: Solve for x
    x = 11,146,426,395.92/118,920.33
  6. Step 6: Final answer
    x = 93,730.20

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1.5x scale

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.