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Finding the Fourth Proportional to 106,573.62, 147,071.61 and 58,826.98

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Solution

The fourth proportional to 106,573.62, 147,071.61 and 58,826.98 is: 81,181.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,573.62 : 147,071.61 = 58,826.98 : x
  2. Step 2: Convert to fraction form
    106,573.62/147,071.61 = 58,826.98/x
  3. Step 3: Cross multiply
    106,573.62x = 147,071.61 × 58,826.98
  4. Step 4: Simplify right side
    106,573.62x = 8,651,778,660.04
  5. Step 5: Solve for x
    x = 8,651,778,660.04/106,573.62
  6. Step 6: Final answer
    x = 81,181.24

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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.