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Finding the Fourth Proportional to 171,606.39, 236,832.44 and 103,657.11

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Solution

The fourth proportional to 171,606.39, 236,832.44 and 103,657.11 is: 143,056.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,606.39 : 236,832.44 = 103,657.11 : x
  2. Step 2: Convert to fraction form
    171,606.39/236,832.44 = 103,657.11/x
  3. Step 3: Cross multiply
    171,606.39x = 236,832.44 × 103,657.11
  4. Step 4: Simplify right side
    171,606.39x = 24,549,366,284.65
  5. Step 5: Solve for x
    x = 24,549,366,284.65/171,606.39
  6. Step 6: Final answer
    x = 143,056.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.