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Finding the Fourth Proportional to 161,825.40, 243,029.70 and 156,576.60

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Solution

The fourth proportional to 161,825.40, 243,029.70 and 156,576.60 is: 235,147.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,825.40 : 243,029.70 = 156,576.60 : x
  2. Step 2: Convert to fraction form
    161,825.40/243,029.70 = 156,576.60/x
  3. Step 3: Cross multiply
    161,825.40x = 243,029.70 × 156,576.60
  4. Step 4: Simplify right side
    161,825.40x = 38,052,764,125.02
  5. Step 5: Solve for x
    x = 38,052,764,125.02/161,825.40
  6. Step 6: Final answer
    x = 235,147.04

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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.