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Finding the Fourth Proportional to 106,893.44, 147,496.32 and 61,573.28

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Solution

The fourth proportional to 106,893.44, 147,496.32 and 61,573.28 is: 84,961.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,893.44 : 147,496.32 = 61,573.28 : x
  2. Step 2: Convert to fraction form
    106,893.44/147,496.32 = 61,573.28/x
  3. Step 3: Cross multiply
    106,893.44x = 147,496.32 × 61,573.28
  4. Step 4: Simplify right side
    106,893.44x = 9,081,832,210.33
  5. Step 5: Solve for x
    x = 9,081,832,210.33/106,893.44
  6. Step 6: Final answer
    x = 84,961.55

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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.