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Finding the Fourth Proportional to 190,381.60, 285,596.88 and 63,967.24

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Solution

The fourth proportional to 190,381.60, 285,596.88 and 63,967.24 is: 95,959.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,381.60 : 285,596.88 = 63,967.24 : x
  2. Step 2: Convert to fraction form
    190,381.60/285,596.88 = 63,967.24/x
  3. Step 3: Cross multiply
    190,381.60x = 285,596.88 × 63,967.24
  4. Step 4: Simplify right side
    190,381.60x = 18,268,844,166.21
  5. Step 5: Solve for x
    x = 18,268,844,166.21/190,381.60
  6. Step 6: Final answer
    x = 95,959.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.