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Finding the Fourth Proportional to 119,363.80, 164,714.02 and 68,376.74

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Solution

The fourth proportional to 119,363.80, 164,714.02 and 68,376.74 is: 94,355.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,363.80 : 164,714.02 = 68,376.74 : x
  2. Step 2: Convert to fraction form
    119,363.80/164,714.02 = 68,376.74/x
  3. Step 3: Cross multiply
    119,363.80x = 164,714.02 × 68,376.74
  4. Step 4: Simplify right side
    119,363.80x = 11,262,607,719.89
  5. Step 5: Solve for x
    x = 11,262,607,719.89/119,363.80
  6. Step 6: Final answer
    x = 94,355.30

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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.