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Finding the Fourth Proportional to 227,742.40, 341,621.70 and 69,970.60

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Solution

The fourth proportional to 227,742.40, 341,621.70 and 69,970.60 is: 104,958.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,742.40 : 341,621.70 = 69,970.60 : x
  2. Step 2: Convert to fraction form
    227,742.40/341,621.70 = 69,970.60/x
  3. Step 3: Cross multiply
    227,742.40x = 341,621.70 × 69,970.60
  4. Step 4: Simplify right side
    227,742.40x = 23,903,475,322.02
  5. Step 5: Solve for x
    x = 23,903,475,322.02/227,742.40
  6. Step 6: Final answer
    x = 104,958.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.