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Finding the Fourth Proportional to 351,164.25, 526,824.54 and 137,952.81

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Solution

The fourth proportional to 351,164.25, 526,824.54 and 137,952.81 is: 206,959.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,164.25 : 526,824.54 = 137,952.81 : x
  2. Step 2: Convert to fraction form
    351,164.25/526,824.54 = 137,952.81/x
  3. Step 3: Cross multiply
    351,164.25x = 526,824.54 × 137,952.81
  4. Step 4: Simplify right side
    351,164.25x = 72,676,925,669.96
  5. Step 5: Solve for x
    x = 72,676,925,669.96/351,164.25
  6. Step 6: Final answer
    x = 206,959.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.