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Finding the Fourth Proportional to 210,355.50, 315,625.72 and 110,492.48

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Solution

The fourth proportional to 210,355.50, 315,625.72 and 110,492.48 is: 165,787.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,355.50 : 315,625.72 = 110,492.48 : x
  2. Step 2: Convert to fraction form
    210,355.50/315,625.72 = 110,492.48/x
  3. Step 3: Cross multiply
    210,355.50x = 315,625.72 × 110,492.48
  4. Step 4: Simplify right side
    210,355.50x = 34,874,268,554.59
  5. Step 5: Solve for x
    x = 34,874,268,554.59/210,355.50
  6. Step 6: Final answer
    x = 165,787.29

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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.