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Finding the Fourth Proportional to 169,291.32, 253,934.16 and 41,208.96

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Solution

The fourth proportional to 169,291.32, 253,934.16 and 41,208.96 is: 61,812.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,291.32 : 253,934.16 = 41,208.96 : x
  2. Step 2: Convert to fraction form
    169,291.32/253,934.16 = 41,208.96/x
  3. Step 3: Cross multiply
    169,291.32x = 253,934.16 × 41,208.96
  4. Step 4: Simplify right side
    169,291.32x = 10,464,362,642.07
  5. Step 5: Solve for x
    x = 10,464,362,642.07/169,291.32
  6. Step 6: Final answer
    x = 61,812.75

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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.