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Finding the Fourth Proportional to 169,320.44, 253,890.43 and 56,963.32

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Solution

The fourth proportional to 169,320.44, 253,890.43 and 56,963.32 is: 85,414.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,320.44 : 253,890.43 = 56,963.32 : x
  2. Step 2: Convert to fraction form
    169,320.44/253,890.43 = 56,963.32/x
  3. Step 3: Cross multiply
    169,320.44x = 253,890.43 × 56,963.32
  4. Step 4: Simplify right side
    169,320.44x = 14,462,441,031.89
  5. Step 5: Solve for x
    x = 14,462,441,031.89/169,320.44
  6. Step 6: Final answer
    x = 85,414.62

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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.