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Finding the Fourth Proportional to 269,294.96, 371,635.08 and 154,594.64

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Solution

The fourth proportional to 269,294.96, 371,635.08 and 154,594.64 is: 213,345.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,294.96 : 371,635.08 = 154,594.64 : x
  2. Step 2: Convert to fraction form
    269,294.96/371,635.08 = 154,594.64/x
  3. Step 3: Cross multiply
    269,294.96x = 371,635.08 × 154,594.64
  4. Step 4: Simplify right side
    269,294.96x = 57,452,791,403.97
  5. Step 5: Solve for x
    x = 57,452,791,403.97/269,294.96
  6. Step 6: Final answer
    x = 213,345.22

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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.