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Finding the Fourth Proportional to 217,443.40, 325,857.90 and 160,841.80

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Solution

The fourth proportional to 217,443.40, 325,857.90 and 160,841.80 is: 241,035.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,443.40 : 325,857.90 = 160,841.80 : x
  2. Step 2: Convert to fraction form
    217,443.40/325,857.90 = 160,841.80/x
  3. Step 3: Cross multiply
    217,443.40x = 325,857.90 × 160,841.80
  4. Step 4: Simplify right side
    217,443.40x = 52,411,571,180.22
  5. Step 5: Solve for x
    x = 52,411,571,180.22/217,443.40
  6. Step 6: Final answer
    x = 241,035.47

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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.