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Finding the Fourth Proportional to 375,512.49, 563,201.42 and 105,575.89

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Solution

The fourth proportional to 375,512.49, 563,201.42 and 105,575.89 is: 158,344.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,512.49 : 563,201.42 = 105,575.89 : x
  2. Step 2: Convert to fraction form
    375,512.49/563,201.42 = 105,575.89/x
  3. Step 3: Cross multiply
    375,512.49x = 563,201.42 × 105,575.89
  4. Step 4: Simplify right side
    375,512.49x = 59,460,490,021.70
  5. Step 5: Solve for x
    x = 59,460,490,021.70/375,512.49
  6. Step 6: Final answer
    x = 158,344.91

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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.