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Finding the Fourth Proportional to 92,442.48, 138,750.39 and 48,100.65

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Solution

The fourth proportional to 92,442.48, 138,750.39 and 48,100.65 is: 72,196.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,442.48 : 138,750.39 = 48,100.65 : x
  2. Step 2: Convert to fraction form
    92,442.48/138,750.39 = 48,100.65/x
  3. Step 3: Cross multiply
    92,442.48x = 138,750.39 × 48,100.65
  4. Step 4: Simplify right side
    92,442.48x = 6,673,983,946.75
  5. Step 5: Solve for x
    x = 6,673,983,946.75/92,442.48
  6. Step 6: Final answer
    x = 72,196.07

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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.