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Finding the Fourth Proportional to 124,835.45, 187,225.76 and 36,069.64

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Solution

The fourth proportional to 124,835.45, 187,225.76 and 36,069.64 is: 54,096.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,835.45 : 187,225.76 = 36,069.64 : x
  2. Step 2: Convert to fraction form
    124,835.45/187,225.76 = 36,069.64/x
  3. Step 3: Cross multiply
    124,835.45x = 187,225.76 × 36,069.64
  4. Step 4: Simplify right side
    124,835.45x = 6,753,165,384.04
  5. Step 5: Solve for x
    x = 6,753,165,384.04/124,835.45
  6. Step 6: Final answer
    x = 54,096.54

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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.