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Finding the Fourth Proportional to 100,903.77, 151,355.46 and 55,952.58

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Solution

The fourth proportional to 100,903.77, 151,355.46 and 55,952.58 is: 83,928.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,903.77 : 151,355.46 = 55,952.58 : x
  2. Step 2: Convert to fraction form
    100,903.77/151,355.46 = 55,952.58/x
  3. Step 3: Cross multiply
    100,903.77x = 151,355.46 × 55,952.58
  4. Step 4: Simplify right side
    100,903.77x = 8,468,728,484.09
  5. Step 5: Solve for x
    x = 8,468,728,484.09/100,903.77
  6. Step 6: Final answer
    x = 83,928.76

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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.