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Finding the Fourth Proportional to 237,774, 356,409.63 and 87,918.06

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Solution

The fourth proportional to 237,774, 356,409.63 and 87,918.06 is: 131,784.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,774 : 356,409.63 = 87,918.06 : x
  2. Step 2: Convert to fraction form
    237,774/356,409.63 = 87,918.06/x
  3. Step 3: Cross multiply
    237,774x = 356,409.63 × 87,918.06
  4. Step 4: Simplify right side
    237,774x = 31,334,843,234.92
  5. Step 5: Solve for x
    x = 31,334,843,234.92/237,774
  6. Step 6: Final answer
    x = 131,784.14

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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.