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Finding the Fourth Proportional to 84,599.36, 127,093.44 and 59,696.64

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Solution

The fourth proportional to 84,599.36, 127,093.44 and 59,696.64 is: 89,682.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,599.36 : 127,093.44 = 59,696.64 : x
  2. Step 2: Convert to fraction form
    84,599.36/127,093.44 = 59,696.64/x
  3. Step 3: Cross multiply
    84,599.36x = 127,093.44 × 59,696.64
  4. Step 4: Simplify right side
    84,599.36x = 7,587,051,334.04
  5. Step 5: Solve for x
    x = 7,587,051,334.04/84,599.36
  6. Step 6: Final answer
    x = 89,682.14

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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.