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Finding the Fourth Proportional to 283,138.64, 424,241.16 and 164,476.88

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Solution

The fourth proportional to 283,138.64, 424,241.16 and 164,476.88 is: 246,444.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,138.64 : 424,241.16 = 164,476.88 : x
  2. Step 2: Convert to fraction form
    283,138.64/424,241.16 = 164,476.88/x
  3. Step 3: Cross multiply
    283,138.64x = 424,241.16 × 164,476.88
  4. Step 4: Simplify right side
    283,138.64x = 69,777,862,364.38
  5. Step 5: Solve for x
    x = 69,777,862,364.38/283,138.64
  6. Step 6: Final answer
    x = 246,444.15

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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.