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Finding the Fourth Proportional to 299,577.76, 449,366.64 and 122,053.51

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Solution

The fourth proportional to 299,577.76, 449,366.64 and 122,053.51 is: 183,080.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,577.76 : 449,366.64 = 122,053.51 : x
  2. Step 2: Convert to fraction form
    299,577.76/449,366.64 = 122,053.51/x
  3. Step 3: Cross multiply
    299,577.76x = 449,366.64 × 122,053.51
  4. Step 4: Simplify right side
    299,577.76x = 54,846,775,688.91
  5. Step 5: Solve for x
    x = 54,846,775,688.91/299,577.76
  6. Step 6: Final answer
    x = 183,080.27

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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.