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Finding the Fourth Proportional to 225,083.34, 310,623.03 and 123,102.72

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Solution

The fourth proportional to 225,083.34, 310,623.03 and 123,102.72 is: 169,886.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,083.34 : 310,623.03 = 123,102.72 : x
  2. Step 2: Convert to fraction form
    225,083.34/310,623.03 = 123,102.72/x
  3. Step 3: Cross multiply
    225,083.34x = 310,623.03 × 123,102.72
  4. Step 4: Simplify right side
    225,083.34x = 38,238,539,887.64
  5. Step 5: Solve for x
    x = 38,238,539,887.64/225,083.34
  6. Step 6: Final answer
    x = 169,886.14

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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.