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Finding the Fourth Proportional to 324,147.60, 486,075.60 and 124,401.60

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Solution

The fourth proportional to 324,147.60, 486,075.60 and 124,401.60 is: 186,546.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,147.60 : 486,075.60 = 124,401.60 : x
  2. Step 2: Convert to fraction form
    324,147.60/486,075.60 = 124,401.60/x
  3. Step 3: Cross multiply
    324,147.60x = 486,075.60 × 124,401.60
  4. Step 4: Simplify right side
    324,147.60x = 60,468,582,360.96
  5. Step 5: Solve for x
    x = 60,468,582,360.96/324,147.60
  6. Step 6: Final answer
    x = 186,546.44

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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.