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Finding the Fourth Proportional to 161,475.71, 222,710.24 and 104,905.31

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Solution

The fourth proportional to 161,475.71, 222,710.24 and 104,905.31 is: 144,687.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,475.71 : 222,710.24 = 104,905.31 : x
  2. Step 2: Convert to fraction form
    161,475.71/222,710.24 = 104,905.31/x
  3. Step 3: Cross multiply
    161,475.71x = 222,710.24 × 104,905.31
  4. Step 4: Simplify right side
    161,475.71x = 23,363,485,916.09
  5. Step 5: Solve for x
    x = 23,363,485,916.09/161,475.71
  6. Step 6: Final answer
    x = 144,687.31

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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.