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Finding the Fourth Proportional to 118,949.58, 164,164.32 and 67,970.61

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Solution

The fourth proportional to 118,949.58, 164,164.32 and 67,970.61 is: 93,807.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,949.58 : 164,164.32 = 67,970.61 : x
  2. Step 2: Convert to fraction form
    118,949.58/164,164.32 = 67,970.61/x
  3. Step 3: Cross multiply
    118,949.58x = 164,164.32 × 67,970.61
  4. Step 4: Simplify right side
    118,949.58x = 11,158,348,970.64
  5. Step 5: Solve for x
    x = 11,158,348,970.64/118,949.58
  6. Step 6: Final answer
    x = 93,807.38

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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.