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Finding the Fourth Proportional to 214,166.64, 321,265.74 and 56,394

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Solution

The fourth proportional to 214,166.64, 321,265.74 and 56,394 is: 84,595.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,166.64 : 321,265.74 = 56,394 : x
  2. Step 2: Convert to fraction form
    214,166.64/321,265.74 = 56,394/x
  3. Step 3: Cross multiply
    214,166.64x = 321,265.74 × 56,394
  4. Step 4: Simplify right side
    214,166.64x = 18,117,460,141.56
  5. Step 5: Solve for x
    x = 18,117,460,141.56/214,166.64
  6. Step 6: Final answer
    x = 84,595.16

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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.