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Finding the Fourth Proportional to 354,687.56, 532,111.53 and 118,039.58

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Solution

The fourth proportional to 354,687.56, 532,111.53 and 118,039.58 is: 177,086.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,687.56 : 532,111.53 = 118,039.58 : x
  2. Step 2: Convert to fraction form
    354,687.56/532,111.53 = 118,039.58/x
  3. Step 3: Cross multiply
    354,687.56x = 532,111.53 × 118,039.58
  4. Step 4: Simplify right side
    354,687.56x = 62,810,221,514.36
  5. Step 5: Solve for x
    x = 62,810,221,514.36/354,687.56
  6. Step 6: Final answer
    x = 177,086.06

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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.