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Finding the Fourth Proportional to 274,402.68, 411,677.91 and 141,210.33

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Solution

The fourth proportional to 274,402.68, 411,677.91 and 141,210.33 is: 211,853.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,402.68 : 411,677.91 = 141,210.33 : x
  2. Step 2: Convert to fraction form
    274,402.68/411,677.91 = 141,210.33/x
  3. Step 3: Cross multiply
    274,402.68x = 411,677.91 × 141,210.33
  4. Step 4: Simplify right side
    274,402.68x = 58,133,173,524.81
  5. Step 5: Solve for x
    x = 58,133,173,524.81/274,402.68
  6. Step 6: Final answer
    x = 211,853.52

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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.