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Finding the Fourth Proportional to 264,095.88, 396,209.34 and 131,038.92

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Solution

The fourth proportional to 264,095.88, 396,209.34 and 131,038.92 is: 196,590.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,095.88 : 396,209.34 = 131,038.92 : x
  2. Step 2: Convert to fraction form
    264,095.88/396,209.34 = 131,038.92/x
  3. Step 3: Cross multiply
    264,095.88x = 396,209.34 × 131,038.92
  4. Step 4: Simplify right side
    264,095.88x = 51,918,844,007.51
  5. Step 5: Solve for x
    x = 51,918,844,007.51/264,095.88
  6. Step 6: Final answer
    x = 196,590.89

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1.5x scale

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.