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Finding the Fourth Proportional to 210,852.94, 316,279.43 and 61,093.33

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Solution

The fourth proportional to 210,852.94, 316,279.43 and 61,093.33 is: 91,640.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,852.94 : 316,279.43 = 61,093.33 : x
  2. Step 2: Convert to fraction form
    210,852.94/316,279.43 = 61,093.33/x
  3. Step 3: Cross multiply
    210,852.94x = 316,279.43 × 61,093.33
  4. Step 4: Simplify right side
    210,852.94x = 19,322,563,589.20
  5. Step 5: Solve for x
    x = 19,322,563,589.20/210,852.94
  6. Step 6: Final answer
    x = 91,640.00

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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.