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Finding the Fourth Proportional to 166,499.70, 249,749.55 and 165,023.48

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Solution

The fourth proportional to 166,499.70, 249,749.55 and 165,023.48 is: 247,535.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,499.70 : 249,749.55 = 165,023.48 : x
  2. Step 2: Convert to fraction form
    166,499.70/249,749.55 = 165,023.48/x
  3. Step 3: Cross multiply
    166,499.70x = 249,749.55 × 165,023.48
  4. Step 4: Simplify right side
    166,499.70x = 41,214,538,620.69
  5. Step 5: Solve for x
    x = 41,214,538,620.69/166,499.70
  6. Step 6: Final answer
    x = 247,535.21

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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.