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Finding the Fourth Proportional to 299,094.46, 448,726.43 and 121,728.76

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Solution

The fourth proportional to 299,094.46, 448,726.43 and 121,728.76 is: 182,627.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,094.46 : 448,726.43 = 121,728.76 : x
  2. Step 2: Convert to fraction form
    299,094.46/448,726.43 = 121,728.76/x
  3. Step 3: Cross multiply
    299,094.46x = 448,726.43 × 121,728.76
  4. Step 4: Simplify right side
    299,094.46x = 54,622,909,050.85
  5. Step 5: Solve for x
    x = 54,622,909,050.85/299,094.46
  6. Step 6: Final answer
    x = 182,627.62

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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.