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Finding the Fourth Proportional to 86,636.46, 119,558.88 and 50,827.26

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Solution

The fourth proportional to 86,636.46, 119,558.88 and 50,827.26 is: 70,141.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,636.46 : 119,558.88 = 50,827.26 : x
  2. Step 2: Convert to fraction form
    86,636.46/119,558.88 = 50,827.26/x
  3. Step 3: Cross multiply
    86,636.46x = 119,558.88 × 50,827.26
  4. Step 4: Simplify right side
    86,636.46x = 6,076,850,279.07
  5. Step 5: Solve for x
    x = 6,076,850,279.07/86,636.46
  6. Step 6: Final answer
    x = 70,141.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.