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Finding the Fourth Proportional to 92,038.86, 138,044.52 and 35,904.24

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Solution

The fourth proportional to 92,038.86, 138,044.52 and 35,904.24 is: 53,850.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,038.86 : 138,044.52 = 35,904.24 : x
  2. Step 2: Convert to fraction form
    92,038.86/138,044.52 = 35,904.24/x
  3. Step 3: Cross multiply
    92,038.86x = 138,044.52 × 35,904.24
  4. Step 4: Simplify right side
    92,038.86x = 4,956,383,576.76
  5. Step 5: Solve for x
    x = 4,956,383,576.76/92,038.86
  6. Step 6: Final answer
    x = 53,850.99

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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.