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Finding the Fourth Proportional to 118,346.58, 163,296.68 and 67,356.36

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Solution

The fourth proportional to 118,346.58, 163,296.68 and 67,356.36 is: 92,939.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,346.58 : 163,296.68 = 67,356.36 : x
  2. Step 2: Convert to fraction form
    118,346.58/163,296.68 = 67,356.36/x
  3. Step 3: Cross multiply
    118,346.58x = 163,296.68 × 67,356.36
  4. Step 4: Simplify right side
    118,346.58x = 10,999,069,628.10
  5. Step 5: Solve for x
    x = 10,999,069,628.10/118,346.58
  6. Step 6: Final answer
    x = 92,939.48

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.