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Finding the Fourth Proportional to 269,473.29, 371,860.53 and 154,672.19

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Solution

The fourth proportional to 269,473.29, 371,860.53 and 154,672.19 is: 213,440.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,473.29 : 371,860.53 = 154,672.19 : x
  2. Step 2: Convert to fraction form
    269,473.29/371,860.53 = 154,672.19/x
  3. Step 3: Cross multiply
    269,473.29x = 371,860.53 × 154,672.19
  4. Step 4: Simplify right side
    269,473.29x = 57,516,482,549.66
  5. Step 5: Solve for x
    x = 57,516,482,549.66/269,473.29
  6. Step 6: Final answer
    x = 213,440.38

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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.