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Finding the Fourth Proportional to 248,474.68, 342,807.60 and 162,483.96

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Solution

The fourth proportional to 248,474.68, 342,807.60 and 162,483.96 is: 224,170.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,474.68 : 342,807.60 = 162,483.96 : x
  2. Step 2: Convert to fraction form
    248,474.68/342,807.60 = 162,483.96/x
  3. Step 3: Cross multiply
    248,474.68x = 342,807.60 × 162,483.96
  4. Step 4: Simplify right side
    248,474.68x = 55,700,736,366.10
  5. Step 5: Solve for x
    x = 55,700,736,366.10/248,474.68
  6. Step 6: Final answer
    x = 224,170.67

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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.