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Finding the Fourth Proportional to 252,954.60, 379,457.28 and 73,044.48

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Solution

The fourth proportional to 252,954.60, 379,457.28 and 73,044.48 is: 109,574.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,954.60 : 379,457.28 = 73,044.48 : x
  2. Step 2: Convert to fraction form
    252,954.60/379,457.28 = 73,044.48/x
  3. Step 3: Cross multiply
    252,954.60x = 379,457.28 × 73,044.48
  4. Step 4: Simplify right side
    252,954.60x = 27,717,259,699.81
  5. Step 5: Solve for x
    x = 27,717,259,699.81/252,954.60
  6. Step 6: Final answer
    x = 109,574.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.