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Finding the Fourth Proportional to 104,683.51, 157,040.86 and 48,529.31

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Solution

The fourth proportional to 104,683.51, 157,040.86 and 48,529.31 is: 72,801.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,683.51 : 157,040.86 = 48,529.31 : x
  2. Step 2: Convert to fraction form
    104,683.51/157,040.86 = 48,529.31/x
  3. Step 3: Cross multiply
    104,683.51x = 157,040.86 × 48,529.31
  4. Step 4: Simplify right side
    104,683.51x = 7,621,085,512.68
  5. Step 5: Solve for x
    x = 7,621,085,512.68/104,683.51
  6. Step 6: Final answer
    x = 72,801.20

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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.