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Finding the Fourth Proportional to 246,838.76, 340,639.13 and 133,661.51

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Solution

The fourth proportional to 246,838.76, 340,639.13 and 133,661.51 is: 184,453.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,838.76 : 340,639.13 = 133,661.51 : x
  2. Step 2: Convert to fraction form
    246,838.76/340,639.13 = 133,661.51/x
  3. Step 3: Cross multiply
    246,838.76x = 340,639.13 × 133,661.51
  4. Step 4: Simplify right side
    246,838.76x = 45,530,339,812.58
  5. Step 5: Solve for x
    x = 45,530,339,812.58/246,838.76
  6. Step 6: Final answer
    x = 184,453.77

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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.