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Finding the Fourth Proportional to 118,592.58, 163,661.64 and 67,604.39

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Solution

The fourth proportional to 118,592.58, 163,661.64 and 67,604.39 is: 93,296.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,592.58 : 163,661.64 = 67,604.39 : x
  2. Step 2: Convert to fraction form
    118,592.58/163,661.64 = 67,604.39/x
  3. Step 3: Cross multiply
    118,592.58x = 163,661.64 × 67,604.39
  4. Step 4: Simplify right side
    118,592.58x = 11,064,245,338.60
  5. Step 5: Solve for x
    x = 11,064,245,338.60/118,592.58
  6. Step 6: Final answer
    x = 93,296.27

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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.