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Finding the Fourth Proportional to 104,745.60, 157,053.60 and 60,350.40

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Solution

The fourth proportional to 104,745.60, 157,053.60 and 60,350.40 is: 90,488.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,745.60 : 157,053.60 = 60,350.40 : x
  2. Step 2: Convert to fraction form
    104,745.60/157,053.60 = 60,350.40/x
  3. Step 3: Cross multiply
    104,745.60x = 157,053.60 × 60,350.40
  4. Step 4: Simplify right side
    104,745.60x = 9,478,247,581.44
  5. Step 5: Solve for x
    x = 9,478,247,581.44/104,745.60
  6. Step 6: Final answer
    x = 90,488.26

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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.