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Finding the Fourth Proportional to 292,512.94, 438,769.41 and 70,896.94

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Solution

The fourth proportional to 292,512.94, 438,769.41 and 70,896.94 is: 106,345.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,512.94 : 438,769.41 = 70,896.94 : x
  2. Step 2: Convert to fraction form
    292,512.94/438,769.41 = 70,896.94/x
  3. Step 3: Cross multiply
    292,512.94x = 438,769.41 × 70,896.94
  4. Step 4: Simplify right side
    292,512.94x = 31,107,407,171.82
  5. Step 5: Solve for x
    x = 31,107,407,171.82/292,512.94
  6. Step 6: Final answer
    x = 106,345.41

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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.