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Finding the Fourth Proportional to 169,018.72, 253,508.88 and 44,369.44

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Solution

The fourth proportional to 169,018.72, 253,508.88 and 44,369.44 is: 66,549.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,018.72 : 253,508.88 = 44,369.44 : x
  2. Step 2: Convert to fraction form
    169,018.72/253,508.88 = 44,369.44/x
  3. Step 3: Cross multiply
    169,018.72x = 253,508.88 × 44,369.44
  4. Step 4: Simplify right side
    169,018.72x = 11,248,047,040.63
  5. Step 5: Solve for x
    x = 11,248,047,040.63/169,018.72
  6. Step 6: Final answer
    x = 66,549.12

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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.