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Finding the Fourth Proportional to 344,009.60, 516,122.40 and 166,522.40

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Solution

The fourth proportional to 344,009.60, 516,122.40 and 166,522.40 is: 249,835.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,009.60 : 516,122.40 = 166,522.40 : x
  2. Step 2: Convert to fraction form
    344,009.60/516,122.40 = 166,522.40/x
  3. Step 3: Cross multiply
    344,009.60x = 516,122.40 × 166,522.40
  4. Step 4: Simplify right side
    344,009.60x = 85,945,940,741.76
  5. Step 5: Solve for x
    x = 85,945,940,741.76/344,009.60
  6. Step 6: Final answer
    x = 249,835.88

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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.