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Finding the Fourth Proportional to 136,955.28, 205,498.08 and 94,900.08

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Solution

The fourth proportional to 136,955.28, 205,498.08 and 94,900.08 is: 142,395.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,955.28 : 205,498.08 = 94,900.08 : x
  2. Step 2: Convert to fraction form
    136,955.28/205,498.08 = 94,900.08/x
  3. Step 3: Cross multiply
    136,955.28x = 205,498.08 × 94,900.08
  4. Step 4: Simplify right side
    136,955.28x = 19,501,784,231.85
  5. Step 5: Solve for x
    x = 19,501,784,231.85/136,955.28
  6. Step 6: Final answer
    x = 142,395.27

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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.