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Finding the Fourth Proportional to 331,346.45, 497,036.96 and 94,724.93

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Solution

The fourth proportional to 331,346.45, 497,036.96 and 94,724.93 is: 142,092.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,346.45 : 497,036.96 = 94,724.93 : x
  2. Step 2: Convert to fraction form
    331,346.45/497,036.96 = 94,724.93/x
  3. Step 3: Cross multiply
    331,346.45x = 497,036.96 × 94,724.93
  4. Step 4: Simplify right side
    331,346.45x = 47,081,791,243.41
  5. Step 5: Solve for x
    x = 47,081,791,243.41/331,346.45
  6. Step 6: Final answer
    x = 142,092.34

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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.