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Finding the Fourth Proportional to 375,511.33, 563,261.53 and 91,204.06

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Solution

The fourth proportional to 375,511.33, 563,261.53 and 91,204.06 is: 136,804.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,511.33 : 563,261.53 = 91,204.06 : x
  2. Step 2: Convert to fraction form
    375,511.33/563,261.53 = 91,204.06/x
  3. Step 3: Cross multiply
    375,511.33x = 563,261.53 × 91,204.06
  4. Step 4: Simplify right side
    375,511.33x = 51,371,738,377.81
  5. Step 5: Solve for x
    x = 51,371,738,377.81/375,511.33
  6. Step 6: Final answer
    x = 136,804.76

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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.