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Finding the Fourth Proportional to 71,267.89, 106,828.03 and 58,655.39

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Solution

The fourth proportional to 71,267.89, 106,828.03 and 58,655.39 is: 87,922.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,267.89 : 106,828.03 = 58,655.39 : x
  2. Step 2: Convert to fraction form
    71,267.89/106,828.03 = 58,655.39/x
  3. Step 3: Cross multiply
    71,267.89x = 106,828.03 × 58,655.39
  4. Step 4: Simplify right side
    71,267.89x = 6,266,039,873.19
  5. Step 5: Solve for x
    x = 6,266,039,873.19/71,267.89
  6. Step 6: Final answer
    x = 87,922.34

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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.