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Finding the Fourth Proportional to 198,555.93, 297,840.91 and 63,602.46

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Solution

The fourth proportional to 198,555.93, 297,840.91 and 63,602.46 is: 95,405.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,555.93 : 297,840.91 = 63,602.46 : x
  2. Step 2: Convert to fraction form
    198,555.93/297,840.91 = 63,602.46/x
  3. Step 3: Cross multiply
    198,555.93x = 297,840.91 × 63,602.46
  4. Step 4: Simplify right side
    198,555.93x = 18,943,414,564.64
  5. Step 5: Solve for x
    x = 18,943,414,564.64/198,555.93
  6. Step 6: Final answer
    x = 95,405.94

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Why These Related Problems?

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