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Finding the Fourth Proportional to 274,346.91, 411,484.03 and 124,552.74

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Solution

The fourth proportional to 274,346.91, 411,484.03 and 124,552.74 is: 186,812.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,346.91 : 411,484.03 = 124,552.74 : x
  2. Step 2: Convert to fraction form
    274,346.91/411,484.03 = 124,552.74/x
  3. Step 3: Cross multiply
    274,346.91x = 411,484.03 × 124,552.74
  4. Step 4: Simplify right side
    274,346.91x = 51,251,463,402.74
  5. Step 5: Solve for x
    x = 51,251,463,402.74/274,346.91
  6. Step 6: Final answer
    x = 186,812.61

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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.