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Finding the Fourth Proportional to 375,745.23, 563,618.98 and 91,435.82

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Solution

The fourth proportional to 375,745.23, 563,618.98 and 91,435.82 is: 137,154.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,745.23 : 563,618.98 = 91,435.82 : x
  2. Step 2: Convert to fraction form
    375,745.23/563,618.98 = 91,435.82/x
  3. Step 3: Cross multiply
    375,745.23x = 563,618.98 × 91,435.82
  4. Step 4: Simplify right side
    375,745.23x = 51,534,961,737.64
  5. Step 5: Solve for x
    x = 51,534,961,737.64/375,745.23
  6. Step 6: Final answer
    x = 137,154.00

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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.