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Finding the Fourth Proportional to 86,893.92, 130,365.54 and 44,804.70

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Solution

The fourth proportional to 86,893.92, 130,365.54 and 44,804.70 is: 67,219.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,893.92 : 130,365.54 = 44,804.70 : x
  2. Step 2: Convert to fraction form
    86,893.92/130,365.54 = 44,804.70/x
  3. Step 3: Cross multiply
    86,893.92x = 130,365.54 × 44,804.70
  4. Step 4: Simplify right side
    86,893.92x = 5,840,988,910.04
  5. Step 5: Solve for x
    x = 5,840,988,910.04/86,893.92
  6. Step 6: Final answer
    x = 67,219.77

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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.