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Finding the Fourth Proportional to 293,255.64, 404,698.92 and 165,931.23

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Solution

The fourth proportional to 293,255.64, 404,698.92 and 165,931.23 is: 228,988.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,255.64 : 404,698.92 = 165,931.23 : x
  2. Step 2: Convert to fraction form
    293,255.64/404,698.92 = 165,931.23/x
  3. Step 3: Cross multiply
    293,255.64x = 404,698.92 × 165,931.23
  4. Step 4: Simplify right side
    293,255.64x = 67,152,189,575.27
  5. Step 5: Solve for x
    x = 67,152,189,575.27/293,255.64
  6. Step 6: Final answer
    x = 228,988.57

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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.