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Finding the Fourth Proportional to 299,547.54, 449,384.44 and 97,127.87

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Solution

The fourth proportional to 299,547.54, 449,384.44 and 97,127.87 is: 145,712.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,547.54 : 449,384.44 = 97,127.87 : x
  2. Step 2: Convert to fraction form
    299,547.54/449,384.44 = 97,127.87/x
  3. Step 3: Cross multiply
    299,547.54x = 449,384.44 × 97,127.87
  4. Step 4: Simplify right side
    299,547.54x = 43,647,753,468.34
  5. Step 5: Solve for x
    x = 43,647,753,468.34/299,547.54
  6. Step 6: Final answer
    x = 145,712.27

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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.