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Finding the Fourth Proportional to 107,206.56, 160,809.85 and 73,439.28

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Solution

The fourth proportional to 107,206.56, 160,809.85 and 73,439.28 is: 110,158.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,206.56 : 160,809.85 = 73,439.28 : x
  2. Step 2: Convert to fraction form
    107,206.56/160,809.85 = 73,439.28/x
  3. Step 3: Cross multiply
    107,206.56x = 160,809.85 × 73,439.28
  4. Step 4: Simplify right side
    107,206.56x = 11,809,759,635.74
  5. Step 5: Solve for x
    x = 11,809,759,635.74/107,206.56
  6. Step 6: Final answer
    x = 110,158.92

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1.5x scale

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.