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Finding the Fourth Proportional to 190,047.92, 284,987.64 and 101,284.88

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Solution

The fourth proportional to 190,047.92, 284,987.64 and 101,284.88 is: 151,882.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,047.92 : 284,987.64 = 101,284.88 : x
  2. Step 2: Convert to fraction form
    190,047.92/284,987.64 = 101,284.88/x
  3. Step 3: Cross multiply
    190,047.92x = 284,987.64 × 101,284.88
  4. Step 4: Simplify right side
    190,047.92x = 28,864,938,918.88
  5. Step 5: Solve for x
    x = 28,864,938,918.88/190,047.92
  6. Step 6: Final answer
    x = 151,882.42

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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.