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Finding the Fourth Proportional to 150,770.79, 208,021.23 and 97,086.87

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Solution

The fourth proportional to 150,770.79, 208,021.23 and 97,086.87 is: 133,952.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,770.79 : 208,021.23 = 97,086.87 : x
  2. Step 2: Convert to fraction form
    150,770.79/208,021.23 = 97,086.87/x
  3. Step 3: Cross multiply
    150,770.79x = 208,021.23 × 97,086.87
  4. Step 4: Simplify right side
    150,770.79x = 20,196,130,114.25
  5. Step 5: Solve for x
    x = 20,196,130,114.25/150,770.79
  6. Step 6: Final answer
    x = 133,952.54

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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.