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Finding the Fourth Proportional to 252,983.75, 379,419.71 and 73,030.06

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Solution

The fourth proportional to 252,983.75, 379,419.71 and 73,030.06 is: 109,528.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,983.75 : 379,419.71 = 73,030.06 : x
  2. Step 2: Convert to fraction form
    252,983.75/379,419.71 = 73,030.06/x
  3. Step 3: Cross multiply
    252,983.75x = 379,419.71 × 73,030.06
  4. Step 4: Simplify right side
    252,983.75x = 27,709,043,420.51
  5. Step 5: Solve for x
    x = 27,709,043,420.51/252,983.75
  6. Step 6: Final answer
    x = 109,528.95

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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.