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Finding the Fourth Proportional to 223,544.40, 335,122.20 and 134,703.60

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Solution

The fourth proportional to 223,544.40, 335,122.20 and 134,703.60 is: 201,938.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,544.40 : 335,122.20 = 134,703.60 : x
  2. Step 2: Convert to fraction form
    223,544.40/335,122.20 = 134,703.60/x
  3. Step 3: Cross multiply
    223,544.40x = 335,122.20 × 134,703.60
  4. Step 4: Simplify right side
    223,544.40x = 45,142,166,779.92
  5. Step 5: Solve for x
    x = 45,142,166,779.92/223,544.40
  6. Step 6: Final answer
    x = 201,938.26

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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.