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Finding the Fourth Proportional to 105,596.42, 145,686.60 and 60,241.70

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Solution

The fourth proportional to 105,596.42, 145,686.60 and 60,241.70 is: 83,112.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,596.42 : 145,686.60 = 60,241.70 : x
  2. Step 2: Convert to fraction form
    105,596.42/145,686.60 = 60,241.70/x
  3. Step 3: Cross multiply
    105,596.42x = 145,686.60 × 60,241.70
  4. Step 4: Simplify right side
    105,596.42x = 8,776,408,451.22
  5. Step 5: Solve for x
    x = 8,776,408,451.22/105,596.42
  6. Step 6: Final answer
    x = 83,112.75

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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.