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Finding the Fourth Proportional to 117,745.42, 162,492.95 and 67,454.14

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Solution

The fourth proportional to 117,745.42, 162,492.95 and 67,454.14 is: 93,089.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,745.42 : 162,492.95 = 67,454.14 : x
  2. Step 2: Convert to fraction form
    117,745.42/162,492.95 = 67,454.14/x
  3. Step 3: Cross multiply
    117,745.42x = 162,492.95 × 67,454.14
  4. Step 4: Simplify right side
    117,745.42x = 10,960,822,198.31
  5. Step 5: Solve for x
    x = 10,960,822,198.31/117,745.42
  6. Step 6: Final answer
    x = 93,089.16

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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.