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Finding the Fourth Proportional to 275,807.63, 413,738.33 and 107,341.66

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Solution

The fourth proportional to 275,807.63, 413,738.33 and 107,341.66 is: 161,022.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,807.63 : 413,738.33 = 107,341.66 : x
  2. Step 2: Convert to fraction form
    275,807.63/413,738.33 = 107,341.66/x
  3. Step 3: Cross multiply
    275,807.63x = 413,738.33 × 107,341.66
  4. Step 4: Simplify right side
    275,807.63x = 44,411,357,404.81
  5. Step 5: Solve for x
    x = 44,411,357,404.81/275,807.63
  6. Step 6: Final answer
    x = 161,022.95

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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.