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Finding the Fourth Proportional to 232,555.20, 348,055.20 and 162,571.20

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Solution

The fourth proportional to 232,555.20, 348,055.20 and 162,571.20 is: 243,313.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,555.20 : 348,055.20 = 162,571.20 : x
  2. Step 2: Convert to fraction form
    232,555.20/348,055.20 = 162,571.20/x
  3. Step 3: Cross multiply
    232,555.20x = 348,055.20 × 162,571.20
  4. Step 4: Simplify right side
    232,555.20x = 56,583,751,530.24
  5. Step 5: Solve for x
    x = 56,583,751,530.24/232,555.20
  6. Step 6: Final answer
    x = 243,313.21

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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.