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Finding the Fourth Proportional to 176,427.51, 264,640.85 and 76,574.76

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Solution

The fourth proportional to 176,427.51, 264,640.85 and 76,574.76 is: 114,861.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,427.51 : 264,640.85 = 76,574.76 : x
  2. Step 2: Convert to fraction form
    176,427.51/264,640.85 = 76,574.76/x
  3. Step 3: Cross multiply
    176,427.51x = 264,640.85 × 76,574.76
  4. Step 4: Simplify right side
    176,427.51x = 20,264,809,574.95
  5. Step 5: Solve for x
    x = 20,264,809,574.95/176,427.51
  6. Step 6: Final answer
    x = 114,861.96

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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.