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Finding the Fourth Proportional to 161,960.85, 223,504.45 and 89,364.41

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Solution

The fourth proportional to 161,960.85, 223,504.45 and 89,364.41 is: 123,322.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,960.85 : 223,504.45 = 89,364.41 : x
  2. Step 2: Convert to fraction form
    161,960.85/223,504.45 = 89,364.41/x
  3. Step 3: Cross multiply
    161,960.85x = 223,504.45 × 89,364.41
  4. Step 4: Simplify right side
    161,960.85x = 19,973,343,023.69
  5. Step 5: Solve for x
    x = 19,973,343,023.69/161,960.85
  6. Step 6: Final answer
    x = 123,322.05

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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.