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Finding the Fourth Proportional to 92,664.66, 127,809.72 and 58,678.68

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Solution

The fourth proportional to 92,664.66, 127,809.72 and 58,678.68 is: 80,933.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,664.66 : 127,809.72 = 58,678.68 : x
  2. Step 2: Convert to fraction form
    92,664.66/127,809.72 = 58,678.68/x
  3. Step 3: Cross multiply
    92,664.66x = 127,809.72 × 58,678.68
  4. Step 4: Simplify right side
    92,664.66x = 7,499,705,660.77
  5. Step 5: Solve for x
    x = 7,499,705,660.77/92,664.66
  6. Step 6: Final answer
    x = 80,933.83

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1.5x scale

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.