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Finding the Fourth Proportional to 351,158.61, 526,737.92 and 148,786.61

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Solution

The fourth proportional to 351,158.61, 526,737.92 and 148,786.61 is: 223,179.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,158.61 : 526,737.92 = 148,786.61 : x
  2. Step 2: Convert to fraction form
    351,158.61/526,737.92 = 148,786.61/x
  3. Step 3: Cross multiply
    351,158.61x = 526,737.92 × 148,786.61
  4. Step 4: Simplify right side
    351,158.61x = 78,371,551,164.06
  5. Step 5: Solve for x
    x = 78,371,551,164.06/351,158.61
  6. Step 6: Final answer
    x = 223,179.92

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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.