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Finding the Fourth Proportional to 351,294.30, 526,942.80 and 85,054.41

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Solution

The fourth proportional to 351,294.30, 526,942.80 and 85,054.41 is: 127,581.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,294.30 : 526,942.80 = 85,054.41 : x
  2. Step 2: Convert to fraction form
    351,294.30/526,942.80 = 85,054.41/x
  3. Step 3: Cross multiply
    351,294.30x = 526,942.80 × 85,054.41
  4. Step 4: Simplify right side
    351,294.30x = 44,818,808,957.75
  5. Step 5: Solve for x
    x = 44,818,808,957.75/351,294.30
  6. Step 6: Final answer
    x = 127,581.94

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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.