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Finding the Fourth Proportional to 118,903.54, 164,088.22 and 67,923.02

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Solution

The fourth proportional to 118,903.54, 164,088.22 and 67,923.02 is: 93,734.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,903.54 : 164,088.22 = 67,923.02 : x
  2. Step 2: Convert to fraction form
    118,903.54/164,088.22 = 67,923.02/x
  3. Step 3: Cross multiply
    118,903.54x = 164,088.22 × 67,923.02
  4. Step 4: Simplify right side
    118,903.54x = 11,145,367,448.82
  5. Step 5: Solve for x
    x = 11,145,367,448.82/118,903.54
  6. Step 6: Final answer
    x = 93,734.53

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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.