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Finding the Fourth Proportional to 106,337.61, 146,612.84 and 68,034.33

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Solution

The fourth proportional to 106,337.61, 146,612.84 and 68,034.33 is: 93,802.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,337.61 : 146,612.84 = 68,034.33 : x
  2. Step 2: Convert to fraction form
    106,337.61/146,612.84 = 68,034.33/x
  3. Step 3: Cross multiply
    106,337.61x = 146,612.84 × 68,034.33
  4. Step 4: Simplify right side
    106,337.61x = 9,974,705,998.63
  5. Step 5: Solve for x
    x = 9,974,705,998.63/106,337.61
  6. Step 6: Final answer
    x = 93,802.24

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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.