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Finding the Fourth Proportional to 444,594.60, 666,868.14 and 124,768.20

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Solution

The fourth proportional to 444,594.60, 666,868.14 and 124,768.20 is: 187,145.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,594.60 : 666,868.14 = 124,768.20 : x
  2. Step 2: Convert to fraction form
    444,594.60/666,868.14 = 124,768.20/x
  3. Step 3: Cross multiply
    444,594.60x = 666,868.14 × 124,768.20
  4. Step 4: Simplify right side
    444,594.60x = 83,203,937,465.15
  5. Step 5: Solve for x
    x = 83,203,937,465.15/444,594.60
  6. Step 6: Final answer
    x = 187,145.63

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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.