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Finding the Fourth Proportional to 225,052.63, 310,542.56 and 124,457.11

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Solution

The fourth proportional to 225,052.63, 310,542.56 and 124,457.11 is: 171,734.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,052.63 : 310,542.56 = 124,457.11 : x
  2. Step 2: Convert to fraction form
    225,052.63/310,542.56 = 124,457.11/x
  3. Step 3: Cross multiply
    225,052.63x = 310,542.56 × 124,457.11
  4. Step 4: Simplify right side
    225,052.63x = 38,649,228,617.67
  5. Step 5: Solve for x
    x = 38,649,228,617.67/225,052.63
  6. Step 6: Final answer
    x = 171,734.18

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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.