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Finding the Fourth Proportional to 169,022.40, 253,533.60 and 161,246.40

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Solution

The fourth proportional to 169,022.40, 253,533.60 and 161,246.40 is: 241,869.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,022.40 : 253,533.60 = 161,246.40 : x
  2. Step 2: Convert to fraction form
    169,022.40/253,533.60 = 161,246.40/x
  3. Step 3: Cross multiply
    169,022.40x = 253,533.60 × 161,246.40
  4. Step 4: Simplify right side
    169,022.40x = 40,881,380,279.04
  5. Step 5: Solve for x
    x = 40,881,380,279.04/169,022.40
  6. Step 6: Final answer
    x = 241,869.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.