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Finding the Fourth Proportional to 104,792.79, 144,614.06 and 57,046.49

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Solution

The fourth proportional to 104,792.79, 144,614.06 and 57,046.49 is: 78,724.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,792.79 : 144,614.06 = 57,046.49 : x
  2. Step 2: Convert to fraction form
    104,792.79/144,614.06 = 57,046.49/x
  3. Step 3: Cross multiply
    104,792.79x = 144,614.06 × 57,046.49
  4. Step 4: Simplify right side
    104,792.79x = 8,249,724,527.65
  5. Step 5: Solve for x
    x = 8,249,724,527.65/104,792.79
  6. Step 6: Final answer
    x = 78,724.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.