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Finding the Fourth Proportional to 356,659.16, 534,653.84 and 119,836.22

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Solution

The fourth proportional to 356,659.16, 534,653.84 and 119,836.22 is: 179,641.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,659.16 : 534,653.84 = 119,836.22 : x
  2. Step 2: Convert to fraction form
    356,659.16/534,653.84 = 119,836.22/x
  3. Step 3: Cross multiply
    356,659.16x = 534,653.84 × 119,836.22
  4. Step 4: Simplify right side
    356,659.16x = 64,070,892,820.41
  5. Step 5: Solve for x
    x = 64,070,892,820.41/356,659.16
  6. Step 6: Final answer
    x = 179,641.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.