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Finding the Fourth Proportional to 375,484.65, 563,226.98 and 91,173.29

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Solution

The fourth proportional to 375,484.65, 563,226.98 and 91,173.29 is: 136,759.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,484.65 : 563,226.98 = 91,173.29 : x
  2. Step 2: Convert to fraction form
    375,484.65/563,226.98 = 91,173.29/x
  3. Step 3: Cross multiply
    375,484.65x = 563,226.98 × 91,173.29
  4. Step 4: Simplify right side
    375,484.65x = 51,351,253,511.36
  5. Step 5: Solve for x
    x = 51,351,253,511.36/375,484.65
  6. Step 6: Final answer
    x = 136,759.93

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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.