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Finding the Fourth Proportional to 151,486.77, 209,050.56 and 82,576.07

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Solution

The fourth proportional to 151,486.77, 209,050.56 and 82,576.07 is: 113,954.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,486.77 : 209,050.56 = 82,576.07 : x
  2. Step 2: Convert to fraction form
    151,486.77/209,050.56 = 82,576.07/x
  3. Step 3: Cross multiply
    151,486.77x = 209,050.56 × 82,576.07
  4. Step 4: Simplify right side
    151,486.77x = 17,262,572,630.85
  5. Step 5: Solve for x
    x = 17,262,572,630.85/151,486.77
  6. Step 6: Final answer
    x = 113,954.33

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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.