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Finding the Fourth Proportional to 241,051.40, 332,616 and 133,621.40

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Solution

The fourth proportional to 241,051.40, 332,616 and 133,621.40 is: 184,378.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,051.40 : 332,616 = 133,621.40 : x
  2. Step 2: Convert to fraction form
    241,051.40/332,616 = 133,621.40/x
  3. Step 3: Cross multiply
    241,051.40x = 332,616 × 133,621.40
  4. Step 4: Simplify right side
    241,051.40x = 44,444,615,582.40
  5. Step 5: Solve for x
    x = 44,444,615,582.40/241,051.40
  6. Step 6: Final answer
    x = 184,378.17

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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.