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Finding the Fourth Proportional to 299,108.34, 448,862.03 and 155,146.84

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Solution

The fourth proportional to 299,108.34, 448,862.03 and 155,146.84 is: 232,823.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,108.34 : 448,862.03 = 155,146.84 : x
  2. Step 2: Convert to fraction form
    299,108.34/448,862.03 = 155,146.84/x
  3. Step 3: Cross multiply
    299,108.34x = 448,862.03 × 155,146.84
  4. Step 4: Simplify right side
    299,108.34x = 69,639,522,530.44
  5. Step 5: Solve for x
    x = 69,639,522,530.44/299,108.34
  6. Step 6: Final answer
    x = 232,823.74

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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.