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Finding the Fourth Proportional to 225,093.04, 310,724.04 and 140,252.02

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Solution

The fourth proportional to 225,093.04, 310,724.04 and 140,252.02 is: 193,607.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,093.04 : 310,724.04 = 140,252.02 : x
  2. Step 2: Convert to fraction form
    225,093.04/310,724.04 = 140,252.02/x
  3. Step 3: Cross multiply
    225,093.04x = 310,724.04 × 140,252.02
  4. Step 4: Simplify right side
    225,093.04x = 43,579,674,272.56
  5. Step 5: Solve for x
    x = 43,579,674,272.56/225,093.04
  6. Step 6: Final answer
    x = 193,607.38

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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.