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Finding the Fourth Proportional to 193,700.61, 267,293.91 and 107,654.01

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Solution

The fourth proportional to 193,700.61, 267,293.91 and 107,654.01 is: 148,555.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,700.61 : 267,293.91 = 107,654.01 : x
  2. Step 2: Convert to fraction form
    193,700.61/267,293.91 = 107,654.01/x
  3. Step 3: Cross multiply
    193,700.61x = 267,293.91 × 107,654.01
  4. Step 4: Simplify right side
    193,700.61x = 28,775,261,260.08
  5. Step 5: Solve for x
    x = 28,775,261,260.08/193,700.61
  6. Step 6: Final answer
    x = 148,555.35

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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.