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Finding the Fourth Proportional to 225,085.58, 310,615.56 and 123,113.96

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Solution

The fourth proportional to 225,085.58, 310,615.56 and 123,113.96 is: 169,895.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,085.58 : 310,615.56 = 123,113.96 : x
  2. Step 2: Convert to fraction form
    225,085.58/310,615.56 = 123,113.96/x
  3. Step 3: Cross multiply
    225,085.58x = 310,615.56 × 123,113.96
  4. Step 4: Simplify right side
    225,085.58x = 38,241,111,629.22
  5. Step 5: Solve for x
    x = 38,241,111,629.22/225,085.58
  6. Step 6: Final answer
    x = 169,895.88

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