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Finding the Fourth Proportional to 239,588.67, 359,489.63 and 127,241.57

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Solution

The fourth proportional to 239,588.67, 359,489.63 and 127,241.57 is: 190,918.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,588.67 : 359,489.63 = 127,241.57 : x
  2. Step 2: Convert to fraction form
    239,588.67/359,489.63 = 127,241.57/x
  3. Step 3: Cross multiply
    239,588.67x = 359,489.63 × 127,241.57
  4. Step 4: Simplify right side
    239,588.67x = 45,742,024,919.92
  5. Step 5: Solve for x
    x = 45,742,024,919.92/239,588.67
  6. Step 6: Final answer
    x = 190,918.98

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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.