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Finding the Fourth Proportional to 337,088.64, 505,320.48 and 126,865.92

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Solution

The fourth proportional to 337,088.64, 505,320.48 and 126,865.92 is: 190,181.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,088.64 : 505,320.48 = 126,865.92 : x
  2. Step 2: Convert to fraction form
    337,088.64/505,320.48 = 126,865.92/x
  3. Step 3: Cross multiply
    337,088.64x = 505,320.48 × 126,865.92
  4. Step 4: Simplify right side
    337,088.64x = 64,107,947,590.04
  5. Step 5: Solve for x
    x = 64,107,947,590.04/337,088.64
  6. Step 6: Final answer
    x = 190,181.28

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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.