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Finding the Fourth Proportional to 173,903.70, 260,855.55 and 165,738.90

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Solution

The fourth proportional to 173,903.70, 260,855.55 and 165,738.90 is: 248,608.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,903.70 : 260,855.55 = 165,738.90 : x
  2. Step 2: Convert to fraction form
    173,903.70/260,855.55 = 165,738.90/x
  3. Step 3: Cross multiply
    173,903.70x = 260,855.55 × 165,738.90
  4. Step 4: Simplify right side
    173,903.70x = 43,233,911,915.90
  5. Step 5: Solve for x
    x = 43,233,911,915.90/173,903.70
  6. Step 6: Final answer
    x = 248,608.35

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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.