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Finding the Fourth Proportional to 169,495.89, 254,326.45 and 69,686.07

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Solution

The fourth proportional to 169,495.89, 254,326.45 and 69,686.07 is: 104,563.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,495.89 : 254,326.45 = 69,686.07 : x
  2. Step 2: Convert to fraction form
    169,495.89/254,326.45 = 69,686.07/x
  3. Step 3: Cross multiply
    169,495.89x = 254,326.45 × 69,686.07
  4. Step 4: Simplify right side
    169,495.89x = 17,723,010,797.55
  5. Step 5: Solve for x
    x = 17,723,010,797.55/169,495.89
  6. Step 6: Final answer
    x = 104,563.07

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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.