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Finding the Fourth Proportional to 250,036.50, 345,050.37 and 136,859.25

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Solution

The fourth proportional to 250,036.50, 345,050.37 and 136,859.25 is: 188,865.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,036.50 : 345,050.37 = 136,859.25 : x
  2. Step 2: Convert to fraction form
    250,036.50/345,050.37 = 136,859.25/x
  3. Step 3: Cross multiply
    250,036.50x = 345,050.37 × 136,859.25
  4. Step 4: Simplify right side
    250,036.50x = 47,223,334,850.42
  5. Step 5: Solve for x
    x = 47,223,334,850.42/250,036.50
  6. Step 6: Final answer
    x = 188,865.77

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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.