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Finding the Fourth Proportional to 92,657.76, 127,867.04 and 50,216.16

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Solution

The fourth proportional to 92,657.76, 127,867.04 and 50,216.16 is: 69,297.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,657.76 : 127,867.04 = 50,216.16 : x
  2. Step 2: Convert to fraction form
    92,657.76/127,867.04 = 50,216.16/x
  3. Step 3: Cross multiply
    92,657.76x = 127,867.04 × 50,216.16
  4. Step 4: Simplify right side
    92,657.76x = 6,420,991,739.37
  5. Step 5: Solve for x
    x = 6,420,991,739.37/92,657.76
  6. Step 6: Final answer
    x = 69,297.94

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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.