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Finding the Fourth Proportional to 173,387.70, 260,081.55 and 48,728.70

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Solution

The fourth proportional to 173,387.70, 260,081.55 and 48,728.70 is: 73,093.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,387.70 : 260,081.55 = 48,728.70 : x
  2. Step 2: Convert to fraction form
    173,387.70/260,081.55 = 48,728.70/x
  3. Step 3: Cross multiply
    173,387.70x = 260,081.55 × 48,728.70
  4. Step 4: Simplify right side
    173,387.70x = 12,673,435,825.49
  5. Step 5: Solve for x
    x = 12,673,435,825.49/173,387.70
  6. Step 6: Final answer
    x = 73,093.05

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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.