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Finding the Fourth Proportional to 161,296.47, 222,576.47 and 89,672.13

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Solution

The fourth proportional to 161,296.47, 222,576.47 and 89,672.13 is: 123,740.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,296.47 : 222,576.47 = 89,672.13 : x
  2. Step 2: Convert to fraction form
    161,296.47/222,576.47 = 89,672.13/x
  3. Step 3: Cross multiply
    161,296.47x = 222,576.47 × 89,672.13
  4. Step 4: Simplify right side
    161,296.47x = 19,958,905,704.42
  5. Step 5: Solve for x
    x = 19,958,905,704.42/161,296.47
  6. Step 6: Final answer
    x = 123,740.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.