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Finding the Fourth Proportional to 240,465.36, 331,847.48 and 133,043.02

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Solution

The fourth proportional to 240,465.36, 331,847.48 and 133,043.02 is: 183,602.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,465.36 : 331,847.48 = 133,043.02 : x
  2. Step 2: Convert to fraction form
    240,465.36/331,847.48 = 133,043.02/x
  3. Step 3: Cross multiply
    240,465.36x = 331,847.48 × 133,043.02
  4. Step 4: Simplify right side
    240,465.36x = 44,149,990,918.59
  5. Step 5: Solve for x
    x = 44,149,990,918.59/240,465.36
  6. Step 6: Final answer
    x = 183,602.29

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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.