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Finding the Fourth Proportional to 193,606.61, 267,173.64 and 107,565.98

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Solution

The fourth proportional to 193,606.61, 267,173.64 and 107,565.98 is: 148,439.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,606.61 : 267,173.64 = 107,565.98 : x
  2. Step 2: Convert to fraction form
    193,606.61/267,173.64 = 107,565.98/x
  3. Step 3: Cross multiply
    193,606.61x = 267,173.64 × 107,565.98
  4. Step 4: Simplify right side
    193,606.61x = 28,738,793,080.90
  5. Step 5: Solve for x
    x = 28,738,793,080.90/193,606.61
  6. Step 6: Final answer
    x = 148,439.11

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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.