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Finding the Fourth Proportional to 269,570.48, 371,842.42 and 172,741.74

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Solution

The fourth proportional to 269,570.48, 371,842.42 and 172,741.74 is: 238,277.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,570.48 : 371,842.42 = 172,741.74 : x
  2. Step 2: Convert to fraction form
    269,570.48/371,842.42 = 172,741.74/x
  3. Step 3: Cross multiply
    269,570.48x = 371,842.42 × 172,741.74
  4. Step 4: Simplify right side
    269,570.48x = 64,232,706,636.61
  5. Step 5: Solve for x
    x = 64,232,706,636.61/269,570.48
  6. Step 6: Final answer
    x = 238,277.97

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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.