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Finding the Fourth Proportional to 173,889.84, 260,872.20 and 53,944.36

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Solution

The fourth proportional to 173,889.84, 260,872.20 and 53,944.36 is: 80,928.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,889.84 : 260,872.20 = 53,944.36 : x
  2. Step 2: Convert to fraction form
    173,889.84/260,872.20 = 53,944.36/x
  3. Step 3: Cross multiply
    173,889.84x = 260,872.20 × 53,944.36
  4. Step 4: Simplify right side
    173,889.84x = 14,072,583,870.79
  5. Step 5: Solve for x
    x = 14,072,583,870.79/173,889.84
  6. Step 6: Final answer
    x = 80,928.15

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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.