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Finding the Fourth Proportional to 236,533.68, 354,612 and 136,580.40

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Solution

The fourth proportional to 236,533.68, 354,612 and 136,580.40 is: 204,761.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,533.68 : 354,612 = 136,580.40 : x
  2. Step 2: Convert to fraction form
    236,533.68/354,612 = 136,580.40/x
  3. Step 3: Cross multiply
    236,533.68x = 354,612 × 136,580.40
  4. Step 4: Simplify right side
    236,533.68x = 48,433,048,804.80
  5. Step 5: Solve for x
    x = 48,433,048,804.80/236,533.68
  6. Step 6: Final answer
    x = 204,761.74

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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.