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Finding the Fourth Proportional to 224,626.86, 336,827.61 and 74,814.48

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Solution

The fourth proportional to 224,626.86, 336,827.61 and 74,814.48 is: 112,184.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,626.86 : 336,827.61 = 74,814.48 : x
  2. Step 2: Convert to fraction form
    224,626.86/336,827.61 = 74,814.48/x
  3. Step 3: Cross multiply
    224,626.86x = 336,827.61 × 74,814.48
  4. Step 4: Simplify right side
    224,626.86x = 25,199,582,491.79
  5. Step 5: Solve for x
    x = 25,199,582,491.79/224,626.86
  6. Step 6: Final answer
    x = 112,184.19

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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.