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Finding the Fourth Proportional to 106,954.66, 147,599.16 and 58,555.77

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Solution

The fourth proportional to 106,954.66, 147,599.16 and 58,555.77 is: 80,807.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,954.66 : 147,599.16 = 58,555.77 : x
  2. Step 2: Convert to fraction form
    106,954.66/147,599.16 = 58,555.77/x
  3. Step 3: Cross multiply
    106,954.66x = 147,599.16 × 58,555.77
  4. Step 4: Simplify right side
    106,954.66x = 8,642,781,873.55
  5. Step 5: Solve for x
    x = 8,642,781,873.55/106,954.66
  6. Step 6: Final answer
    x = 80,807.91

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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.