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Finding the Fourth Proportional to 198,533.79, 297,807.66 and 63,601.95

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Solution

The fourth proportional to 198,533.79, 297,807.66 and 63,601.95 is: 95,405.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,533.79 : 297,807.66 = 63,601.95 : x
  2. Step 2: Convert to fraction form
    198,533.79/297,807.66 = 63,601.95/x
  3. Step 3: Cross multiply
    198,533.79x = 297,807.66 × 63,601.95
  4. Step 4: Simplify right side
    198,533.79x = 18,941,147,900.94
  5. Step 5: Solve for x
    x = 18,941,147,900.94/198,533.79
  6. Step 6: Final answer
    x = 95,405.16

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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.