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Finding the Fourth Proportional to 107,237.76, 160,856.64 and 73,470.48

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Solution

The fourth proportional to 107,237.76, 160,856.64 and 73,470.48 is: 110,205.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,237.76 : 160,856.64 = 73,470.48 : x
  2. Step 2: Convert to fraction form
    107,237.76/160,856.64 = 73,470.48/x
  3. Step 3: Cross multiply
    107,237.76x = 160,856.64 × 73,470.48
  4. Step 4: Simplify right side
    107,237.76x = 11,818,214,551.99
  5. Step 5: Solve for x
    x = 11,818,214,551.99/107,237.76
  6. Step 6: Final answer
    x = 110,205.72

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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.