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Finding the Fourth Proportional to 250,472.25, 345,652.92 and 149,870.25

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Solution

The fourth proportional to 250,472.25, 345,652.92 and 149,870.25 is: 206,821.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,472.25 : 345,652.92 = 149,870.25 : x
  2. Step 2: Convert to fraction form
    250,472.25/345,652.92 = 149,870.25/x
  3. Step 3: Cross multiply
    250,472.25x = 345,652.92 × 149,870.25
  4. Step 4: Simplify right side
    250,472.25x = 51,803,089,533.63
  5. Step 5: Solve for x
    x = 51,803,089,533.63/250,472.25
  6. Step 6: Final answer
    x = 206,821.67

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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.