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Finding the Fourth Proportional to 144,470.43, 216,651.76 and 49,673.79

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Solution

The fourth proportional to 144,470.43, 216,651.76 and 49,673.79 is: 74,492.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,470.43 : 216,651.76 = 49,673.79 : x
  2. Step 2: Convert to fraction form
    144,470.43/216,651.76 = 49,673.79/x
  3. Step 3: Cross multiply
    144,470.43x = 216,651.76 × 49,673.79
  4. Step 4: Simplify right side
    144,470.43x = 10,761,913,905.19
  5. Step 5: Solve for x
    x = 10,761,913,905.19/144,470.43
  6. Step 6: Final answer
    x = 74,492.16

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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.