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Finding the Fourth Proportional to 225,008.16, 310,508.64 and 124,404

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Solution

The fourth proportional to 225,008.16, 310,508.64 and 124,404 is: 171,676.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,008.16 : 310,508.64 = 124,404 : x
  2. Step 2: Convert to fraction form
    225,008.16/310,508.64 = 124,404/x
  3. Step 3: Cross multiply
    225,008.16x = 310,508.64 × 124,404
  4. Step 4: Simplify right side
    225,008.16x = 38,628,516,850.56
  5. Step 5: Solve for x
    x = 38,628,516,850.56/225,008.16
  6. Step 6: Final answer
    x = 171,676.07

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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.