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Finding the Fourth Proportional to 107,246.40, 160,840.80 and 44,923.20

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Solution

The fourth proportional to 107,246.40, 160,840.80 and 44,923.20 is: 67,372.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,246.40 : 160,840.80 = 44,923.20 : x
  2. Step 2: Convert to fraction form
    107,246.40/160,840.80 = 44,923.20/x
  3. Step 3: Cross multiply
    107,246.40x = 160,840.80 × 44,923.20
  4. Step 4: Simplify right side
    107,246.40x = 7,225,483,426.56
  5. Step 5: Solve for x
    x = 7,225,483,426.56/107,246.40
  6. Step 6: Final answer
    x = 67,372.74

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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.