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Finding the Fourth Proportional to 176,505.60, 264,889.65 and 71,325.48

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Solution

The fourth proportional to 176,505.60, 264,889.65 and 71,325.48 is: 107,041.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,505.60 : 264,889.65 = 71,325.48 : x
  2. Step 2: Convert to fraction form
    176,505.60/264,889.65 = 71,325.48/x
  3. Step 3: Cross multiply
    176,505.60x = 264,889.65 × 71,325.48
  4. Step 4: Simplify right side
    176,505.60x = 18,893,381,433.28
  5. Step 5: Solve for x
    x = 18,893,381,433.28/176,505.60
  6. Step 6: Final answer
    x = 107,041.26

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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.