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Finding the Fourth Proportional to 104,792.73, 144,614.64 and 57,046.06

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Solution

The fourth proportional to 104,792.73, 144,614.64 and 57,046.06 is: 78,723.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,792.73 : 144,614.64 = 57,046.06 : x
  2. Step 2: Convert to fraction form
    104,792.73/144,614.64 = 57,046.06/x
  3. Step 3: Cross multiply
    104,792.73x = 144,614.64 × 57,046.06
  4. Step 4: Simplify right side
    104,792.73x = 8,249,695,430.32
  5. Step 5: Solve for x
    x = 8,249,695,430.32/104,792.73
  6. Step 6: Final answer
    x = 78,723.93

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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.