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Finding the Fourth Proportional to 432,156.93, 648,235.39 and 116,613.33

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Solution

The fourth proportional to 432,156.93, 648,235.39 and 116,613.33 is: 174,919.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,156.93 : 648,235.39 = 116,613.33 : x
  2. Step 2: Convert to fraction form
    432,156.93/648,235.39 = 116,613.33/x
  3. Step 3: Cross multiply
    432,156.93x = 648,235.39 × 116,613.33
  4. Step 4: Simplify right side
    432,156.93x = 75,592,887,451.75
  5. Step 5: Solve for x
    x = 75,592,887,451.75/432,156.93
  6. Step 6: Final answer
    x = 174,919.99

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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.