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Finding the Fourth Proportional to 176,471.53, 264,490.44 and 81,573.32

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Solution

The fourth proportional to 176,471.53, 264,490.44 and 81,573.32 is: 122,259.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,471.53 : 264,490.44 = 81,573.32 : x
  2. Step 2: Convert to fraction form
    176,471.53/264,490.44 = 81,573.32/x
  3. Step 3: Cross multiply
    176,471.53x = 264,490.44 × 81,573.32
  4. Step 4: Simplify right side
    176,471.53x = 21,575,363,299.06
  5. Step 5: Solve for x
    x = 21,575,363,299.06/176,471.53
  6. Step 6: Final answer
    x = 122,259.74

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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.