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Finding the Fourth Proportional to 472,169.52, 708,045.87 and 135,133.44

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Solution

The fourth proportional to 472,169.52, 708,045.87 and 135,133.44 is: 202,640.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,169.52 : 708,045.87 = 135,133.44 : x
  2. Step 2: Convert to fraction form
    472,169.52/708,045.87 = 135,133.44/x
  3. Step 3: Cross multiply
    472,169.52x = 708,045.87 × 135,133.44
  4. Step 4: Simplify right side
    472,169.52x = 95,680,674,090.89
  5. Step 5: Solve for x
    x = 95,680,674,090.89/472,169.52
  6. Step 6: Final answer
    x = 202,640.51

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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.