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Finding the Fourth Proportional to 85,231.94, 127,827.40 and 26,068.12

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Solution

The fourth proportional to 85,231.94, 127,827.40 and 26,068.12 is: 39,095.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,231.94 : 127,827.40 = 26,068.12 : x
  2. Step 2: Convert to fraction form
    85,231.94/127,827.40 = 26,068.12/x
  3. Step 3: Cross multiply
    85,231.94x = 127,827.40 × 26,068.12
  4. Step 4: Simplify right side
    85,231.94x = 3,332,220,002.49
  5. Step 5: Solve for x
    x = 3,332,220,002.49/85,231.94
  6. Step 6: Final answer
    x = 39,095.91

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1.5x scale

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.