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Finding the Fourth Proportional to 161,227.87, 222,594.08 and 103,887.46

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Solution

The fourth proportional to 161,227.87, 222,594.08 and 103,887.46 is: 143,428.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,227.87 : 222,594.08 = 103,887.46 : x
  2. Step 2: Convert to fraction form
    161,227.87/222,594.08 = 103,887.46/x
  3. Step 3: Cross multiply
    161,227.87x = 222,594.08 × 103,887.46
  4. Step 4: Simplify right side
    161,227.87x = 23,124,733,341.04
  5. Step 5: Solve for x
    x = 23,124,733,341.04/161,227.87
  6. Step 6: Final answer
    x = 143,428.89

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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.