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Finding the Fourth Proportional to 384,337.51, 576,513.10 and 118,100.33

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Solution

The fourth proportional to 384,337.51, 576,513.10 and 118,100.33 is: 177,152.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,337.51 : 576,513.10 = 118,100.33 : x
  2. Step 2: Convert to fraction form
    384,337.51/576,513.10 = 118,100.33/x
  3. Step 3: Cross multiply
    384,337.51x = 576,513.10 × 118,100.33
  4. Step 4: Simplify right side
    384,337.51x = 68,086,386,121.99
  5. Step 5: Solve for x
    x = 68,086,386,121.99/384,337.51
  6. Step 6: Final answer
    x = 177,152.59

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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.