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Finding the Fourth Proportional to 293,030.60, 439,691.70 and 166,767.80

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Solution

The fourth proportional to 293,030.60, 439,691.70 and 166,767.80 is: 250,234.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,030.60 : 439,691.70 = 166,767.80 : x
  2. Step 2: Convert to fraction form
    293,030.60/439,691.70 = 166,767.80/x
  3. Step 3: Cross multiply
    293,030.60x = 439,691.70 × 166,767.80
  4. Step 4: Simplify right side
    293,030.60x = 73,326,417,487.26
  5. Step 5: Solve for x
    x = 73,326,417,487.26/293,030.60
  6. Step 6: Final answer
    x = 250,234.68

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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.