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Finding the Fourth Proportional to 293,010.82, 439,652.95 and 103,614.62

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Solution

The fourth proportional to 293,010.82, 439,652.95 and 103,614.62 is: 155,470.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,010.82 : 439,652.95 = 103,614.62 : x
  2. Step 2: Convert to fraction form
    293,010.82/439,652.95 = 103,614.62/x
  3. Step 3: Cross multiply
    293,010.82x = 439,652.95 × 103,614.62
  4. Step 4: Simplify right side
    293,010.82x = 45,554,470,888.83
  5. Step 5: Solve for x
    x = 45,554,470,888.83/293,010.82
  6. Step 6: Final answer
    x = 155,470.27

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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.