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Finding the Fourth Proportional to 140,492.88, 210,517.38 and 114,068.52

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Solution

The fourth proportional to 140,492.88, 210,517.38 and 114,068.52 is: 170,922.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,492.88 : 210,517.38 = 114,068.52 : x
  2. Step 2: Convert to fraction form
    140,492.88/210,517.38 = 114,068.52/x
  3. Step 3: Cross multiply
    140,492.88x = 210,517.38 × 114,068.52
  4. Step 4: Simplify right side
    140,492.88x = 24,013,405,970.88
  5. Step 5: Solve for x
    x = 24,013,405,970.88/140,492.88
  6. Step 6: Final answer
    x = 170,922.58

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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.