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Finding the Fourth Proportional to 174,020.60, 261,059.70 and 74,228.60

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Solution

The fourth proportional to 174,020.60, 261,059.70 and 74,228.60 is: 111,355.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,020.60 : 261,059.70 = 74,228.60 : x
  2. Step 2: Convert to fraction form
    174,020.60/261,059.70 = 74,228.60/x
  3. Step 3: Cross multiply
    174,020.60x = 261,059.70 × 74,228.60
  4. Step 4: Simplify right side
    174,020.60x = 19,378,096,047.42
  5. Step 5: Solve for x
    x = 19,378,096,047.42/174,020.60
  6. Step 6: Final answer
    x = 111,355.18

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1.5x scale

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.