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Finding the Fourth Proportional to 86,237.92, 119,007.88 and 48,512.44

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Solution

The fourth proportional to 86,237.92, 119,007.88 and 48,512.44 is: 66,946.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,237.92 : 119,007.88 = 48,512.44 : x
  2. Step 2: Convert to fraction form
    86,237.92/119,007.88 = 48,512.44/x
  3. Step 3: Cross multiply
    86,237.92x = 119,007.88 × 48,512.44
  4. Step 4: Simplify right side
    86,237.92x = 5,773,362,638.03
  5. Step 5: Solve for x
    x = 5,773,362,638.03/86,237.92
  6. Step 6: Final answer
    x = 66,946.91

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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.