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Finding the Fourth Proportional to 215,259.56, 297,053.56 and 124,619.36

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Solution

The fourth proportional to 215,259.56, 297,053.56 and 124,619.36 is: 171,972.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,259.56 : 297,053.56 = 124,619.36 : x
  2. Step 2: Convert to fraction form
    215,259.56/297,053.56 = 124,619.36/x
  3. Step 3: Cross multiply
    215,259.56x = 297,053.56 × 124,619.36
  4. Step 4: Simplify right side
    215,259.56x = 37,018,624,532.92
  5. Step 5: Solve for x
    x = 37,018,624,532.92/215,259.56
  6. Step 6: Final answer
    x = 171,972.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.