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Finding the Fourth Proportional to 248,868, 343,437.84 and 159,449.76

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Solution

The fourth proportional to 248,868, 343,437.84 and 159,449.76 is: 220,040.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,868 : 343,437.84 = 159,449.76 : x
  2. Step 2: Convert to fraction form
    248,868/343,437.84 = 159,449.76/x
  3. Step 3: Cross multiply
    248,868x = 343,437.84 × 159,449.76
  4. Step 4: Simplify right side
    248,868x = 54,761,081,162.92
  5. Step 5: Solve for x
    x = 54,761,081,162.92/248,868
  6. Step 6: Final answer
    x = 220,040.67

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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.