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Finding the Fourth Proportional to 132,903.50, 183,406.84 and 73,287.50

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Solution

The fourth proportional to 132,903.50, 183,406.84 and 73,287.50 is: 101,136.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,903.50 : 183,406.84 = 73,287.50 : x
  2. Step 2: Convert to fraction form
    132,903.50/183,406.84 = 73,287.50/x
  3. Step 3: Cross multiply
    132,903.50x = 183,406.84 × 73,287.50
  4. Step 4: Simplify right side
    132,903.50x = 13,441,428,786.50
  5. Step 5: Solve for x
    x = 13,441,428,786.50/132,903.50
  6. Step 6: Final answer
    x = 101,136.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.