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Finding the Fourth Proportional to 169,889.44, 254,846.16 and 51,570.40

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Solution

The fourth proportional to 169,889.44, 254,846.16 and 51,570.40 is: 77,359.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,889.44 : 254,846.16 = 51,570.40 : x
  2. Step 2: Convert to fraction form
    169,889.44/254,846.16 = 51,570.40/x
  3. Step 3: Cross multiply
    169,889.44x = 254,846.16 × 51,570.40
  4. Step 4: Simplify right side
    169,889.44x = 13,142,518,409.66
  5. Step 5: Solve for x
    x = 13,142,518,409.66/169,889.44
  6. Step 6: Final answer
    x = 77,359.24

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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.