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Finding the Fourth Proportional to 106,761, 147,329.10 and 59,012.04

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Solution

The fourth proportional to 106,761, 147,329.10 and 59,012.04 is: 81,436.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,761 : 147,329.10 = 59,012.04 : x
  2. Step 2: Convert to fraction form
    106,761/147,329.10 = 59,012.04/x
  3. Step 3: Cross multiply
    106,761x = 147,329.10 × 59,012.04
  4. Step 4: Simplify right side
    106,761x = 8,694,190,742.36
  5. Step 5: Solve for x
    x = 8,694,190,742.36/106,761
  6. Step 6: Final answer
    x = 81,436.02

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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.