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Finding the Fourth Proportional to 207,152.98, 285,893.04 and 126,627.64

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Solution

The fourth proportional to 207,152.98, 285,893.04 and 126,627.64 is: 174,759.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,152.98 : 285,893.04 = 126,627.64 : x
  2. Step 2: Convert to fraction form
    207,152.98/285,893.04 = 126,627.64/x
  3. Step 3: Cross multiply
    207,152.98x = 285,893.04 × 126,627.64
  4. Step 4: Simplify right side
    207,152.98x = 36,201,960,707.75
  5. Step 5: Solve for x
    x = 36,201,960,707.75/207,152.98
  6. Step 6: Final answer
    x = 174,759.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.