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Finding the Fourth Proportional to 293,159.89, 439,811.45 and 93,480.31

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Solution

The fourth proportional to 293,159.89, 439,811.45 and 93,480.31 is: 140,243.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,159.89 : 439,811.45 = 93,480.31 : x
  2. Step 2: Convert to fraction form
    293,159.89/439,811.45 = 93,480.31/x
  3. Step 3: Cross multiply
    293,159.89x = 439,811.45 × 93,480.31
  4. Step 4: Simplify right side
    293,159.89x = 41,113,708,021.09
  5. Step 5: Solve for x
    x = 41,113,708,021.09/293,159.89
  6. Step 6: Final answer
    x = 140,243.29

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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.