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Finding the Fourth Proportional to 86,657.75, 119,588.52 and 50,848.37

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Solution

The fourth proportional to 86,657.75, 119,588.52 and 50,848.37 is: 70,171.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,657.75 : 119,588.52 = 50,848.37 : x
  2. Step 2: Convert to fraction form
    86,657.75/119,588.52 = 50,848.37/x
  3. Step 3: Cross multiply
    86,657.75x = 119,588.52 × 50,848.37
  4. Step 4: Simplify right side
    86,657.75x = 6,080,880,714.77
  5. Step 5: Solve for x
    x = 6,080,880,714.77/86,657.75
  6. Step 6: Final answer
    x = 70,171.23

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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.