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Finding the Fourth Proportional to 156,775.22, 235,201.89 and 45,967.22

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Solution

The fourth proportional to 156,775.22, 235,201.89 and 45,967.22 is: 68,962.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,775.22 : 235,201.89 = 45,967.22 : x
  2. Step 2: Convert to fraction form
    156,775.22/235,201.89 = 45,967.22/x
  3. Step 3: Cross multiply
    156,775.22x = 235,201.89 × 45,967.22
  4. Step 4: Simplify right side
    156,775.22x = 10,811,576,900.42
  5. Step 5: Solve for x
    x = 10,811,576,900.42/156,775.22
  6. Step 6: Final answer
    x = 68,962.28

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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.