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Finding the Fourth Proportional to 375,406.44, 563,104.89 and 91,099.32

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Solution

The fourth proportional to 375,406.44, 563,104.89 and 91,099.32 is: 136,647.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,406.44 : 563,104.89 = 91,099.32 : x
  2. Step 2: Convert to fraction form
    375,406.44/563,104.89 = 91,099.32/x
  3. Step 3: Cross multiply
    375,406.44x = 563,104.89 × 91,099.32
  4. Step 4: Simplify right side
    375,406.44x = 51,298,472,567.67
  5. Step 5: Solve for x
    x = 51,298,472,567.67/375,406.44
  6. Step 6: Final answer
    x = 136,647.82

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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.