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Finding the Fourth Proportional to 252,984.58, 379,420.99 and 73,030.90

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Solution

The fourth proportional to 252,984.58, 379,420.99 and 73,030.90 is: 109,530.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,984.58 : 379,420.99 = 73,030.90 : x
  2. Step 2: Convert to fraction form
    252,984.58/379,420.99 = 73,030.90/x
  3. Step 3: Cross multiply
    252,984.58x = 379,420.99 × 73,030.90
  4. Step 4: Simplify right side
    252,984.58x = 27,709,455,247.46
  5. Step 5: Solve for x
    x = 27,709,455,247.46/252,984.58
  6. Step 6: Final answer
    x = 109,530.22

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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.