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Finding the Fourth Proportional to 223,471.80, 335,223.90 and 134,533.80

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Solution

The fourth proportional to 223,471.80, 335,223.90 and 134,533.80 is: 201,810.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,471.80 : 335,223.90 = 134,533.80 : x
  2. Step 2: Convert to fraction form
    223,471.80/335,223.90 = 134,533.80/x
  3. Step 3: Cross multiply
    223,471.80x = 335,223.90 × 134,533.80
  4. Step 4: Simplify right side
    223,471.80x = 45,098,945,117.82
  5. Step 5: Solve for x
    x = 45,098,945,117.82/223,471.80
  6. Step 6: Final answer
    x = 201,810.45

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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.