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Finding the Fourth Proportional to 176,686.92, 265,005.37 and 56,754.31

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Solution

The fourth proportional to 176,686.92, 265,005.37 and 56,754.31 is: 85,123.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,686.92 : 265,005.37 = 56,754.31 : x
  2. Step 2: Convert to fraction form
    176,686.92/265,005.37 = 56,754.31/x
  3. Step 3: Cross multiply
    176,686.92x = 265,005.37 × 56,754.31
  4. Step 4: Simplify right side
    176,686.92x = 15,040,196,920.64
  5. Step 5: Solve for x
    x = 15,040,196,920.64/176,686.92
  6. Step 6: Final answer
    x = 85,123.43

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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.