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Finding the Fourth Proportional to 331,113.60, 496,689.60 and 94,473.60

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Solution

The fourth proportional to 331,113.60, 496,689.60 and 94,473.60 is: 141,715.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,113.60 : 496,689.60 = 94,473.60 : x
  2. Step 2: Convert to fraction form
    331,113.60/496,689.60 = 94,473.60/x
  3. Step 3: Cross multiply
    331,113.60x = 496,689.60 × 94,473.60
  4. Step 4: Simplify right side
    331,113.60x = 46,924,054,594.56
  5. Step 5: Solve for x
    x = 46,924,054,594.56/331,113.60
  6. Step 6: Final answer
    x = 141,715.88

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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.