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Finding the Fourth Proportional to 501,110.28, 751,709.13 and 127,133.28

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Solution

The fourth proportional to 501,110.28, 751,709.13 and 127,133.28 is: 190,711.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,110.28 : 751,709.13 = 127,133.28 : x
  2. Step 2: Convert to fraction form
    501,110.28/751,709.13 = 127,133.28/x
  3. Step 3: Cross multiply
    501,110.28x = 751,709.13 × 127,133.28
  4. Step 4: Simplify right side
    501,110.28x = 95,567,247,302.85
  5. Step 5: Solve for x
    x = 95,567,247,302.85/501,110.28
  6. Step 6: Final answer
    x = 190,711.01

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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.