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Finding the Fourth Proportional to 171,440.51, 236,554.29 and 107,741.50

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Solution

The fourth proportional to 171,440.51, 236,554.29 and 107,741.50 is: 148,662.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,440.51 : 236,554.29 = 107,741.50 : x
  2. Step 2: Convert to fraction form
    171,440.51/236,554.29 = 107,741.50/x
  3. Step 3: Cross multiply
    171,440.51x = 236,554.29 × 107,741.50
  4. Step 4: Simplify right side
    171,440.51x = 25,486,713,444.65
  5. Step 5: Solve for x
    x = 25,486,713,444.65/171,440.51
  6. Step 6: Final answer
    x = 148,662.15

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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.