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Finding the Fourth Proportional to 217,024.60, 325,536.90 and 133,043.80

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Solution

The fourth proportional to 217,024.60, 325,536.90 and 133,043.80 is: 199,565.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,024.60 : 325,536.90 = 133,043.80 : x
  2. Step 2: Convert to fraction form
    217,024.60/325,536.90 = 133,043.80/x
  3. Step 3: Cross multiply
    217,024.60x = 325,536.90 × 133,043.80
  4. Step 4: Simplify right side
    217,024.60x = 43,310,666,216.22
  5. Step 5: Solve for x
    x = 43,310,666,216.22/217,024.60
  6. Step 6: Final answer
    x = 199,565.70

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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.