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Finding the Fourth Proportional to 241,943, 333,881.34 and 135,959

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Solution

The fourth proportional to 241,943, 333,881.34 and 135,959 is: 187,623.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,943 : 333,881.34 = 135,959 : x
  2. Step 2: Convert to fraction form
    241,943/333,881.34 = 135,959/x
  3. Step 3: Cross multiply
    241,943x = 333,881.34 × 135,959
  4. Step 4: Simplify right side
    241,943x = 45,394,173,105.06
  5. Step 5: Solve for x
    x = 45,394,173,105.06/241,943
  6. Step 6: Final answer
    x = 187,623.42

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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.