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Finding the Fourth Proportional to 223,361.40, 334,458.90 and 144,046.20

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Solution

The fourth proportional to 223,361.40, 334,458.90 and 144,046.20 is: 215,693.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,361.40 : 334,458.90 = 144,046.20 : x
  2. Step 2: Convert to fraction form
    223,361.40/334,458.90 = 144,046.20/x
  3. Step 3: Cross multiply
    223,361.40x = 334,458.90 × 144,046.20
  4. Step 4: Simplify right side
    223,361.40x = 48,177,533,601.18
  5. Step 5: Solve for x
    x = 48,177,533,601.18/223,361.40
  6. Step 6: Final answer
    x = 215,693.19

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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.