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Finding the Fourth Proportional to 299,496.48, 449,094.48 and 99,746.64

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Solution

The fourth proportional to 299,496.48, 449,094.48 and 99,746.64 is: 149,569.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,496.48 : 449,094.48 = 99,746.64 : x
  2. Step 2: Convert to fraction form
    299,496.48/449,094.48 = 99,746.64/x
  3. Step 3: Cross multiply
    299,496.48x = 449,094.48 × 99,746.64
  4. Step 4: Simplify right side
    299,496.48x = 44,795,665,422.55
  5. Step 5: Solve for x
    x = 44,795,665,422.55/299,496.48
  6. Step 6: Final answer
    x = 149,569.92

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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.