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Finding the Fourth Proportional to 213,595.56, 320,382.24 and 63,837.06

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Solution

The fourth proportional to 213,595.56, 320,382.24 and 63,837.06 is: 95,752.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,595.56 : 320,382.24 = 63,837.06 : x
  2. Step 2: Convert to fraction form
    213,595.56/320,382.24 = 63,837.06/x
  3. Step 3: Cross multiply
    213,595.56x = 320,382.24 × 63,837.06
  4. Step 4: Simplify right side
    213,595.56x = 20,452,260,277.81
  5. Step 5: Solve for x
    x = 20,452,260,277.81/213,595.56
  6. Step 6: Final answer
    x = 95,752.27

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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.