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Finding the Fourth Proportional to 190,327.01, 285,416.69 and 101,532.06

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Solution

The fourth proportional to 190,327.01, 285,416.69 and 101,532.06 is: 152,258.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,327.01 : 285,416.69 = 101,532.06 : x
  2. Step 2: Convert to fraction form
    190,327.01/285,416.69 = 101,532.06/x
  3. Step 3: Cross multiply
    190,327.01x = 285,416.69 × 101,532.06
  4. Step 4: Simplify right side
    190,327.01x = 28,978,943,986.42
  5. Step 5: Solve for x
    x = 28,978,943,986.42/190,327.01
  6. Step 6: Final answer
    x = 152,258.71

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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.