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Finding the Fourth Proportional to 98,596.69, 136,014.46 and 58,290.82

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Solution

The fourth proportional to 98,596.69, 136,014.46 and 58,290.82 is: 80,412.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,596.69 : 136,014.46 = 58,290.82 : x
  2. Step 2: Convert to fraction form
    98,596.69/136,014.46 = 58,290.82/x
  3. Step 3: Cross multiply
    98,596.69x = 136,014.46 × 58,290.82
  4. Step 4: Simplify right side
    98,596.69x = 7,928,394,405.26
  5. Step 5: Solve for x
    x = 7,928,394,405.26/98,596.69
  6. Step 6: Final answer
    x = 80,412.38

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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.