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Finding the Fourth Proportional to 176,602.56, 264,715.11 and 128,455.76

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Solution

The fourth proportional to 176,602.56, 264,715.11 and 128,455.76 is: 192,546.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,602.56 : 264,715.11 = 128,455.76 : x
  2. Step 2: Convert to fraction form
    176,602.56/264,715.11 = 128,455.76/x
  3. Step 3: Cross multiply
    176,602.56x = 264,715.11 × 128,455.76
  4. Step 4: Simplify right side
    176,602.56x = 34,004,179,314.96
  5. Step 5: Solve for x
    x = 34,004,179,314.96/176,602.56
  6. Step 6: Final answer
    x = 192,546.36

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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.