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Finding the Fourth Proportional to 106,079, 146,389.05 and 58,335.62

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Solution

The fourth proportional to 106,079, 146,389.05 and 58,335.62 is: 80,503.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,079 : 146,389.05 = 58,335.62 : x
  2. Step 2: Convert to fraction form
    106,079/146,389.05 = 58,335.62/x
  3. Step 3: Cross multiply
    106,079x = 146,389.05 × 58,335.62
  4. Step 4: Simplify right side
    106,079x = 8,539,695,992.96
  5. Step 5: Solve for x
    x = 8,539,695,992.96/106,079
  6. Step 6: Final answer
    x = 80,503.17

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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.