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Finding the Fourth Proportional to 161,308.87, 222,605.72 and 89,688.87

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Solution

The fourth proportional to 161,308.87, 222,605.72 and 89,688.87 is: 123,770.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,308.87 : 222,605.72 = 89,688.87 : x
  2. Step 2: Convert to fraction form
    161,308.87/222,605.72 = 89,688.87/x
  3. Step 3: Cross multiply
    161,308.87x = 222,605.72 × 89,688.87
  4. Step 4: Simplify right side
    161,308.87x = 19,965,255,370.23
  5. Step 5: Solve for x
    x = 19,965,255,370.23/161,308.87
  6. Step 6: Final answer
    x = 123,770.35

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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.