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Finding the Fourth Proportional to 299,014.93, 448,522.40 and 121,480.35

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Solution

The fourth proportional to 299,014.93, 448,522.40 and 121,480.35 is: 182,220.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,014.93 : 448,522.40 = 121,480.35 : x
  2. Step 2: Convert to fraction form
    299,014.93/448,522.40 = 121,480.35/x
  3. Step 3: Cross multiply
    299,014.93x = 448,522.40 × 121,480.35
  4. Step 4: Simplify right side
    299,014.93x = 54,486,658,134.84
  5. Step 5: Solve for x
    x = 54,486,658,134.84/299,014.93
  6. Step 6: Final answer
    x = 182,220.53

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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.