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Finding the Fourth Proportional to 117,603.41, 162,292.83 and 63,888.41

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Solution

The fourth proportional to 117,603.41, 162,292.83 and 63,888.41 is: 88,166.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,603.41 : 162,292.83 = 63,888.41 : x
  2. Step 2: Convert to fraction form
    117,603.41/162,292.83 = 63,888.41/x
  3. Step 3: Cross multiply
    117,603.41x = 162,292.83 × 63,888.41
  4. Step 4: Simplify right side
    117,603.41x = 10,368,630,863.10
  5. Step 5: Solve for x
    x = 10,368,630,863.10/117,603.41
  6. Step 6: Final answer
    x = 88,166.07

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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.