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Finding the Fourth Proportional to 176,748.78, 265,063.73 and 56,776.31

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Solution

The fourth proportional to 176,748.78, 265,063.73 and 56,776.31 is: 85,145.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,748.78 : 265,063.73 = 56,776.31 : x
  2. Step 2: Convert to fraction form
    176,748.78/265,063.73 = 56,776.31/x
  3. Step 3: Cross multiply
    176,748.78x = 265,063.73 × 56,776.31
  4. Step 4: Simplify right side
    176,748.78x = 15,049,339,889.03
  5. Step 5: Solve for x
    x = 15,049,339,889.03/176,748.78
  6. Step 6: Final answer
    x = 85,145.37

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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.