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Finding the Fourth Proportional to 169,197.58, 253,796.64 and 69,339.16

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Solution

The fourth proportional to 169,197.58, 253,796.64 and 69,339.16 is: 104,008.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,197.58 : 253,796.64 = 69,339.16 : x
  2. Step 2: Convert to fraction form
    169,197.58/253,796.64 = 69,339.16/x
  3. Step 3: Cross multiply
    169,197.58x = 253,796.64 × 69,339.16
  4. Step 4: Simplify right side
    169,197.58x = 17,598,045,828.42
  5. Step 5: Solve for x
    x = 17,598,045,828.42/169,197.58
  6. Step 6: Final answer
    x = 104,008.85

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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.