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Finding the Fourth Proportional to 92,452.86, 138,651.39 and 48,055.32

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Solution

The fourth proportional to 92,452.86, 138,651.39 and 48,055.32 is: 72,068.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,452.86 : 138,651.39 = 48,055.32 : x
  2. Step 2: Convert to fraction form
    92,452.86/138,651.39 = 48,055.32/x
  3. Step 3: Cross multiply
    92,452.86x = 138,651.39 × 48,055.32
  4. Step 4: Simplify right side
    92,452.86x = 6,662,936,914.89
  5. Step 5: Solve for x
    x = 6,662,936,914.89/92,452.86
  6. Step 6: Final answer
    x = 72,068.48

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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.