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Finding the Fourth Proportional to 241,947, 333,886.86 and 135,963

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Solution

The fourth proportional to 241,947, 333,886.86 and 135,963 is: 187,628.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,947 : 333,886.86 = 135,963 : x
  2. Step 2: Convert to fraction form
    241,947/333,886.86 = 135,963/x
  3. Step 3: Cross multiply
    241,947x = 333,886.86 × 135,963
  4. Step 4: Simplify right side
    241,947x = 45,396,259,146.18
  5. Step 5: Solve for x
    x = 45,396,259,146.18/241,947
  6. Step 6: Final answer
    x = 187,628.94

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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.