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Finding the Fourth Proportional to 88,690.56, 122,392.80 and 50,964.72

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Solution

The fourth proportional to 88,690.56, 122,392.80 and 50,964.72 is: 70,331.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,690.56 : 122,392.80 = 50,964.72 : x
  2. Step 2: Convert to fraction form
    88,690.56/122,392.80 = 50,964.72/x
  3. Step 3: Cross multiply
    88,690.56x = 122,392.80 × 50,964.72
  4. Step 4: Simplify right side
    88,690.56x = 6,237,714,782.02
  5. Step 5: Solve for x
    x = 6,237,714,782.02/88,690.56
  6. Step 6: Final answer
    x = 70,331.21

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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.