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Finding the Fourth Proportional to 134,448.30, 201,672.45 and 55,619.10

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Solution

The fourth proportional to 134,448.30, 201,672.45 and 55,619.10 is: 83,428.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,448.30 : 201,672.45 = 55,619.10 : x
  2. Step 2: Convert to fraction form
    134,448.30/201,672.45 = 55,619.10/x
  3. Step 3: Cross multiply
    134,448.30x = 201,672.45 × 55,619.10
  4. Step 4: Simplify right side
    134,448.30x = 11,216,840,163.80
  5. Step 5: Solve for x
    x = 11,216,840,163.80/134,448.30
  6. Step 6: Final answer
    x = 83,428.65

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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.