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Finding the Fourth Proportional to 176,896.78, 265,344.57 and 71,715.50

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Solution

The fourth proportional to 176,896.78, 265,344.57 and 71,715.50 is: 107,573.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,896.78 : 265,344.57 = 71,715.50 : x
  2. Step 2: Convert to fraction form
    176,896.78/265,344.57 = 71,715.50/x
  3. Step 3: Cross multiply
    176,896.78x = 265,344.57 × 71,715.50
  4. Step 4: Simplify right side
    176,896.78x = 19,029,318,509.84
  5. Step 5: Solve for x
    x = 19,029,318,509.84/176,896.78
  6. Step 6: Final answer
    x = 107,573.01

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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.