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Finding the Fourth Proportional to 318,160.84, 439,062.26 and 174,923.32

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Solution

The fourth proportional to 318,160.84, 439,062.26 and 174,923.32 is: 241,394.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,160.84 : 439,062.26 = 174,923.32 : x
  2. Step 2: Convert to fraction form
    318,160.84/439,062.26 = 174,923.32/x
  3. Step 3: Cross multiply
    318,160.84x = 439,062.26 × 174,923.32
  4. Step 4: Simplify right side
    318,160.84x = 76,802,228,205.90
  5. Step 5: Solve for x
    x = 76,802,228,205.90/318,160.84
  6. Step 6: Final answer
    x = 241,394.35

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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.