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Finding the Fourth Proportional to 125,492.93, 173,180.55 and 68,907.95

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Solution

The fourth proportional to 125,492.93, 173,180.55 and 68,907.95 is: 95,093.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,492.93 : 173,180.55 = 68,907.95 : x
  2. Step 2: Convert to fraction form
    125,492.93/173,180.55 = 68,907.95/x
  3. Step 3: Cross multiply
    125,492.93x = 173,180.55 × 68,907.95
  4. Step 4: Simplify right side
    125,492.93x = 11,933,516,680.37
  5. Step 5: Solve for x
    x = 11,933,516,680.37/125,492.93
  6. Step 6: Final answer
    x = 95,093.14

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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.