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Finding the Fourth Proportional to 375,512.74, 563,262.93 and 91,205.62

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Solution

The fourth proportional to 375,512.74, 563,262.93 and 91,205.62 is: 136,806.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,512.74 : 563,262.93 = 91,205.62 : x
  2. Step 2: Convert to fraction form
    375,512.74/563,262.93 = 91,205.62/x
  3. Step 3: Cross multiply
    375,512.74x = 563,262.93 × 91,205.62
  4. Step 4: Simplify right side
    375,512.74x = 51,372,744,753.67
  5. Step 5: Solve for x
    x = 51,372,744,753.67/375,512.74
  6. Step 6: Final answer
    x = 136,806.93

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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.