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Finding the Fourth Proportional to 133,419.02, 200,128.54 and 63,260.06

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Solution

The fourth proportional to 133,419.02, 200,128.54 and 63,260.06 is: 94,890.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,419.02 : 200,128.54 = 63,260.06 : x
  2. Step 2: Convert to fraction form
    133,419.02/200,128.54 = 63,260.06/x
  3. Step 3: Cross multiply
    133,419.02x = 200,128.54 × 63,260.06
  4. Step 4: Simplify right side
    133,419.02x = 12,660,143,448.11
  5. Step 5: Solve for x
    x = 12,660,143,448.11/133,419.02
  6. Step 6: Final answer
    x = 94,890.09

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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.