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Finding the Fourth Proportional to 179,777.55, 269,541.26 and 90,970.32

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Solution

The fourth proportional to 179,777.55, 269,541.26 and 90,970.32 is: 136,392.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,777.55 : 269,541.26 = 90,970.32 : x
  2. Step 2: Convert to fraction form
    179,777.55/269,541.26 = 90,970.32/x
  3. Step 3: Cross multiply
    179,777.55x = 269,541.26 × 90,970.32
  4. Step 4: Simplify right side
    179,777.55x = 24,520,253,170.29
  5. Step 5: Solve for x
    x = 24,520,253,170.29/179,777.55
  6. Step 6: Final answer
    x = 136,392.19

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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.