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Finding the Fourth Proportional to 300,017.64, 450,026.90 and 122,524.66

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Solution

The fourth proportional to 300,017.64, 450,026.90 and 122,524.66 is: 183,787.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,017.64 : 450,026.90 = 122,524.66 : x
  2. Step 2: Convert to fraction form
    300,017.64/450,026.90 = 122,524.66/x
  3. Step 3: Cross multiply
    300,017.64x = 450,026.90 × 122,524.66
  4. Step 4: Simplify right side
    300,017.64x = 55,139,392,913.35
  5. Step 5: Solve for x
    x = 55,139,392,913.35/300,017.64
  6. Step 6: Final answer
    x = 183,787.17

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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.