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Finding the Fourth Proportional to 189,096.60, 283,644.90 and 168,429.45

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Solution

The fourth proportional to 189,096.60, 283,644.90 and 168,429.45 is: 252,644.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,096.60 : 283,644.90 = 168,429.45 : x
  2. Step 2: Convert to fraction form
    189,096.60/283,644.90 = 168,429.45/x
  3. Step 3: Cross multiply
    189,096.60x = 283,644.90 × 168,429.45
  4. Step 4: Simplify right side
    189,096.60x = 47,774,154,502.31
  5. Step 5: Solve for x
    x = 47,774,154,502.31/189,096.60
  6. Step 6: Final answer
    x = 252,644.18

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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.