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Finding the Fourth Proportional to 61,730.86, 85,187.95 and 34,873.33

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Solution

The fourth proportional to 61,730.86, 85,187.95 and 34,873.33 is: 48,124.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,730.86 : 85,187.95 = 34,873.33 : x
  2. Step 2: Convert to fraction form
    61,730.86/85,187.95 = 34,873.33/x
  3. Step 3: Cross multiply
    61,730.86x = 85,187.95 × 34,873.33
  4. Step 4: Simplify right side
    61,730.86x = 2,970,787,492.37
  5. Step 5: Solve for x
    x = 2,970,787,492.37/61,730.86
  6. Step 6: Final answer
    x = 48,124.84

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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.