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Finding the Fourth Proportional to 250,738.70, 346,019.36 and 141,840.68

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Solution

The fourth proportional to 250,738.70, 346,019.36 and 141,840.68 is: 195,740.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,738.70 : 346,019.36 = 141,840.68 : x
  2. Step 2: Convert to fraction form
    250,738.70/346,019.36 = 141,840.68/x
  3. Step 3: Cross multiply
    250,738.70x = 346,019.36 × 141,840.68
  4. Step 4: Simplify right side
    250,738.70x = 49,079,618,876.26
  5. Step 5: Solve for x
    x = 49,079,618,876.26/250,738.70
  6. Step 6: Final answer
    x = 195,740.11

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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.