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Finding the Fourth Proportional to 133,505.55, 200,264.48 and 74,296.62

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Solution

The fourth proportional to 133,505.55, 200,264.48 and 74,296.62 is: 111,448.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,505.55 : 200,264.48 = 74,296.62 : x
  2. Step 2: Convert to fraction form
    133,505.55/200,264.48 = 74,296.62/x
  3. Step 3: Cross multiply
    133,505.55x = 200,264.48 × 74,296.62
  4. Step 4: Simplify right side
    133,505.55x = 14,878,973,598.57
  5. Step 5: Solve for x
    x = 14,878,973,598.57/133,505.55
  6. Step 6: Final answer
    x = 111,448.35

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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.