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Finding the Fourth Proportional to 294,333.60, 406,181.16 and 167,008.86

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Solution

The fourth proportional to 294,333.60, 406,181.16 and 167,008.86 is: 230,472.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,333.60 : 406,181.16 = 167,008.86 : x
  2. Step 2: Convert to fraction form
    294,333.60/406,181.16 = 167,008.86/x
  3. Step 3: Cross multiply
    294,333.60x = 406,181.16 × 167,008.86
  4. Step 4: Simplify right side
    294,333.60x = 67,835,852,485.08
  5. Step 5: Solve for x
    x = 67,835,852,485.08/294,333.60
  6. Step 6: Final answer
    x = 230,472.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.