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Finding the Fourth Proportional to 213,437.59, 320,174.57 and 63,668.23

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Solution

The fourth proportional to 213,437.59, 320,174.57 and 63,668.23 is: 95,507.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,437.59 : 320,174.57 = 63,668.23 : x
  2. Step 2: Convert to fraction form
    213,437.59/320,174.57 = 63,668.23/x
  3. Step 3: Cross multiply
    213,437.59x = 320,174.57 × 63,668.23
  4. Step 4: Simplify right side
    213,437.59x = 20,384,947,844.57
  5. Step 5: Solve for x
    x = 20,384,947,844.57/213,437.59
  6. Step 6: Final answer
    x = 95,507.77

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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.