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Finding the Fourth Proportional to 176,045.35, 264,145.79 and 71,069.35

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Solution

The fourth proportional to 176,045.35, 264,145.79 and 71,069.35 is: 106,635.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,045.35 : 264,145.79 = 71,069.35 : x
  2. Step 2: Convert to fraction form
    176,045.35/264,145.79 = 71,069.35/x
  3. Step 3: Cross multiply
    176,045.35x = 264,145.79 × 71,069.35
  4. Step 4: Simplify right side
    176,045.35x = 18,772,669,600.54
  5. Step 5: Solve for x
    x = 18,772,669,600.54/176,045.35
  6. Step 6: Final answer
    x = 106,635.42

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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.