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Finding the Fourth Proportional to 86,813.44, 119,804.96 and 49,093.44

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Solution

The fourth proportional to 86,813.44, 119,804.96 and 49,093.44 is: 67,750.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,813.44 : 119,804.96 = 49,093.44 : x
  2. Step 2: Convert to fraction form
    86,813.44/119,804.96 = 49,093.44/x
  3. Step 3: Cross multiply
    86,813.44x = 119,804.96 × 49,093.44
  4. Step 4: Simplify right side
    86,813.44x = 5,881,637,615.46
  5. Step 5: Solve for x
    x = 5,881,637,615.46/86,813.44
  6. Step 6: Final answer
    x = 67,750.31

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1.5x scale

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.