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Finding the Fourth Proportional to 225,030.22, 310,537.02 and 123,054.52

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Solution

The fourth proportional to 225,030.22, 310,537.02 and 123,054.52 is: 169,812.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,030.22 : 310,537.02 = 123,054.52 : x
  2. Step 2: Convert to fraction form
    225,030.22/310,537.02 = 123,054.52/x
  3. Step 3: Cross multiply
    225,030.22x = 310,537.02 × 123,054.52
  4. Step 4: Simplify right side
    225,030.22x = 38,212,983,938.33
  5. Step 5: Solve for x
    x = 38,212,983,938.33/225,030.22
  6. Step 6: Final answer
    x = 169,812.68

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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.