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Finding the Fourth Proportional to 104,348.34, 143,989.92 and 59,031.27

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Solution

The fourth proportional to 104,348.34, 143,989.92 and 59,031.27 is: 81,457.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,348.34 : 143,989.92 = 59,031.27 : x
  2. Step 2: Convert to fraction form
    104,348.34/143,989.92 = 59,031.27/x
  3. Step 3: Cross multiply
    104,348.34x = 143,989.92 × 59,031.27
  4. Step 4: Simplify right side
    104,348.34x = 8,499,907,844.80
  5. Step 5: Solve for x
    x = 8,499,907,844.80/104,348.34
  6. Step 6: Final answer
    x = 81,457.05

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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.