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Finding the Fourth Proportional to 70,869.54, 106,306.74 and 37,544.52

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Solution

The fourth proportional to 70,869.54, 106,306.74 and 37,544.52 is: 56,318.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,869.54 : 106,306.74 = 37,544.52 : x
  2. Step 2: Convert to fraction form
    70,869.54/106,306.74 = 37,544.52/x
  3. Step 3: Cross multiply
    70,869.54x = 106,306.74 × 37,544.52
  4. Step 4: Simplify right side
    70,869.54x = 3,991,235,526.06
  5. Step 5: Solve for x
    x = 3,991,235,526.06/70,869.54
  6. Step 6: Final answer
    x = 56,318.07

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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.