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Finding the Fourth Proportional to 117,608.44, 162,298.86 and 63,893.08

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Solution

The fourth proportional to 117,608.44, 162,298.86 and 63,893.08 is: 88,172.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,608.44 : 162,298.86 = 63,893.08 : x
  2. Step 2: Convert to fraction form
    117,608.44/162,298.86 = 63,893.08/x
  3. Step 3: Cross multiply
    117,608.44x = 162,298.86 × 63,893.08
  4. Step 4: Simplify right side
    117,608.44x = 10,369,774,045.89
  5. Step 5: Solve for x
    x = 10,369,774,045.89/117,608.44
  6. Step 6: Final answer
    x = 88,172.02

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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.