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Finding the Fourth Proportional to 250,148.72, 345,258.84 and 159,483.80

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Solution

The fourth proportional to 250,148.72, 345,258.84 and 159,483.80 is: 220,121.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,148.72 : 345,258.84 = 159,483.80 : x
  2. Step 2: Convert to fraction form
    250,148.72/345,258.84 = 159,483.80/x
  3. Step 3: Cross multiply
    250,148.72x = 345,258.84 × 159,483.80
  4. Step 4: Simplify right side
    250,148.72x = 55,063,191,786.79
  5. Step 5: Solve for x
    x = 55,063,191,786.79/250,148.72
  6. Step 6: Final answer
    x = 220,121.82

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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.