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Finding the Fourth Proportional to 92,516.68, 138,783.73 and 25,956.55

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Solution

The fourth proportional to 92,516.68, 138,783.73 and 25,956.55 is: 38,937.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,516.68 : 138,783.73 = 25,956.55 : x
  2. Step 2: Convert to fraction form
    92,516.68/138,783.73 = 25,956.55/x
  3. Step 3: Cross multiply
    92,516.68x = 138,783.73 × 25,956.55
  4. Step 4: Simplify right side
    92,516.68x = 3,602,346,826.93
  5. Step 5: Solve for x
    x = 3,602,346,826.93/92,516.68
  6. Step 6: Final answer
    x = 38,937.27

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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.