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Finding the Fourth Proportional to 285,050.56, 427,571.36 and 98,063.68

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Solution

The fourth proportional to 285,050.56, 427,571.36 and 98,063.68 is: 147,093.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,050.56 : 427,571.36 = 98,063.68 : x
  2. Step 2: Convert to fraction form
    285,050.56/427,571.36 = 98,063.68/x
  3. Step 3: Cross multiply
    285,050.56x = 427,571.36 × 98,063.68
  4. Step 4: Simplify right side
    285,050.56x = 41,929,221,024.20
  5. Step 5: Solve for x
    x = 41,929,221,024.20/285,050.56
  6. Step 6: Final answer
    x = 147,093.98

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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.