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Finding the Fourth Proportional to 104,792.63, 144,591.41 and 62,342.87

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Solution

The fourth proportional to 104,792.63, 144,591.41 and 62,342.87 is: 86,019.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,792.63 : 144,591.41 = 62,342.87 : x
  2. Step 2: Convert to fraction form
    104,792.63/144,591.41 = 62,342.87/x
  3. Step 3: Cross multiply
    104,792.63x = 144,591.41 × 62,342.87
  4. Step 4: Simplify right side
    104,792.63x = 9,014,243,165.03
  5. Step 5: Solve for x
    x = 9,014,243,165.03/104,792.63
  6. Step 6: Final answer
    x = 86,019.82

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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.