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Finding the Fourth Proportional to 106,763.73, 147,334.83 and 59,017.88

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Solution

The fourth proportional to 106,763.73, 147,334.83 and 59,017.88 is: 81,445.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,763.73 : 147,334.83 = 59,017.88 : x
  2. Step 2: Convert to fraction form
    106,763.73/147,334.83 = 59,017.88/x
  3. Step 3: Cross multiply
    106,763.73x = 147,334.83 × 59,017.88
  4. Step 4: Simplify right side
    106,763.73x = 8,695,388,580.09
  5. Step 5: Solve for x
    x = 8,695,388,580.09/106,763.73
  6. Step 6: Final answer
    x = 81,445.16

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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.