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Finding the Fourth Proportional to 98,003.76, 146,820.60 and 57,903.09

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Solution

The fourth proportional to 98,003.76, 146,820.60 and 57,903.09 is: 86,745.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,003.76 : 146,820.60 = 57,903.09 : x
  2. Step 2: Convert to fraction form
    98,003.76/146,820.60 = 57,903.09/x
  3. Step 3: Cross multiply
    98,003.76x = 146,820.60 × 57,903.09
  4. Step 4: Simplify right side
    98,003.76x = 8,501,366,415.65
  5. Step 5: Solve for x
    x = 8,501,366,415.65/98,003.76
  6. Step 6: Final answer
    x = 86,745.31

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1.5x scale

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.