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Finding the Fourth Proportional to 86,059, 118,767.48 and 48,333.28

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Solution

The fourth proportional to 86,059, 118,767.48 and 48,333.28 is: 66,703.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,059 : 118,767.48 = 48,333.28 : x
  2. Step 2: Convert to fraction form
    86,059/118,767.48 = 48,333.28/x
  3. Step 3: Cross multiply
    86,059x = 118,767.48 × 48,333.28
  4. Step 4: Simplify right side
    86,059x = 5,740,421,865.73
  5. Step 5: Solve for x
    x = 5,740,421,865.73/86,059
  6. Step 6: Final answer
    x = 66,703.33

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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.