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Finding the Fourth Proportional to 62,312.54, 93,447.70 and 20,181.20

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Solution

The fourth proportional to 62,312.54, 93,447.70 and 20,181.20 is: 30,264.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,312.54 : 93,447.70 = 20,181.20 : x
  2. Step 2: Convert to fraction form
    62,312.54/93,447.70 = 20,181.20/x
  3. Step 3: Cross multiply
    62,312.54x = 93,447.70 × 20,181.20
  4. Step 4: Simplify right side
    62,312.54x = 1,885,886,723.24
  5. Step 5: Solve for x
    x = 1,885,886,723.24/62,312.54
  6. Step 6: Final answer
    x = 30,264.96

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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.