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Finding the Fourth Proportional to 252,985.00, 379,421.59 and 73,031.31

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Solution

The fourth proportional to 252,985.00, 379,421.59 and 73,031.31 is: 109,530.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,985.00 : 379,421.59 = 73,031.31 : x
  2. Step 2: Convert to fraction form
    252,985.00/379,421.59 = 73,031.31/x
  3. Step 3: Cross multiply
    252,985.00x = 379,421.59 × 73,031.31
  4. Step 4: Simplify right side
    252,985.00x = 27,709,655,394.83
  5. Step 5: Solve for x
    x = 27,709,655,394.83/252,985.00
  6. Step 6: Final answer
    x = 109,530.83

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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.