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Finding the Fourth Proportional to 375,074.58, 562,661.31 and 122,266.49

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Solution

The fourth proportional to 375,074.58, 562,661.31 and 122,266.49 is: 183,415.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,074.58 : 562,661.31 = 122,266.49 : x
  2. Step 2: Convert to fraction form
    375,074.58/562,661.31 = 122,266.49/x
  3. Step 3: Cross multiply
    375,074.58x = 562,661.31 × 122,266.49
  4. Step 4: Simplify right side
    375,074.58x = 68,794,623,432.50
  5. Step 5: Solve for x
    x = 68,794,623,432.50/375,074.58
  6. Step 6: Final answer
    x = 183,415.85

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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.