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Finding the Fourth Proportional to 163,336.40, 245,004.60 and 137,092.40

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Solution

The fourth proportional to 163,336.40, 245,004.60 and 137,092.40 is: 205,638.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,336.40 : 245,004.60 = 137,092.40 : x
  2. Step 2: Convert to fraction form
    163,336.40/245,004.60 = 137,092.40/x
  3. Step 3: Cross multiply
    163,336.40x = 245,004.60 × 137,092.40
  4. Step 4: Simplify right side
    163,336.40x = 33,588,268,625.04
  5. Step 5: Solve for x
    x = 33,588,268,625.04/163,336.40
  6. Step 6: Final answer
    x = 205,638.60

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.