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Finding the Fourth Proportional to 273,087, 409,699.62 and 76,095

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Solution

The fourth proportional to 273,087, 409,699.62 and 76,095 is: 114,161.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,087 : 409,699.62 = 76,095 : x
  2. Step 2: Convert to fraction form
    273,087/409,699.62 = 76,095/x
  3. Step 3: Cross multiply
    273,087x = 409,699.62 × 76,095
  4. Step 4: Simplify right side
    273,087x = 31,176,092,583.90
  5. Step 5: Solve for x
    x = 31,176,092,583.90/273,087
  6. Step 6: Final answer
    x = 114,161.76

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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.