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Finding the Fourth Proportional to 105,891.60, 146,113.08 and 60,562.28

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Solution

The fourth proportional to 105,891.60, 146,113.08 and 60,562.28 is: 83,566.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,891.60 : 146,113.08 = 60,562.28 : x
  2. Step 2: Convert to fraction form
    105,891.60/146,113.08 = 60,562.28/x
  3. Step 3: Cross multiply
    105,891.60x = 146,113.08 × 60,562.28
  4. Step 4: Simplify right side
    105,891.60x = 8,848,941,262.62
  5. Step 5: Solve for x
    x = 8,848,941,262.62/105,891.60
  6. Step 6: Final answer
    x = 83,566.04

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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.