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Finding the Fourth Proportional to 199,393.22, 275,152.93 and 118,818.95

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Solution

The fourth proportional to 199,393.22, 275,152.93 and 118,818.95 is: 163,964.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,393.22 : 275,152.93 = 118,818.95 : x
  2. Step 2: Convert to fraction form
    199,393.22/275,152.93 = 118,818.95/x
  3. Step 3: Cross multiply
    199,393.22x = 275,152.93 × 118,818.95
  4. Step 4: Simplify right side
    199,393.22x = 32,693,382,232.02
  5. Step 5: Solve for x
    x = 32,693,382,232.02/199,393.22
  6. Step 6: Final answer
    x = 163,964.36

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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.