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Finding the Fourth Proportional to 354,664.56, 532,077.03 and 118,016.58

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Solution

The fourth proportional to 354,664.56, 532,077.03 and 118,016.58 is: 177,051.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,664.56 : 532,077.03 = 118,016.58 : x
  2. Step 2: Convert to fraction form
    354,664.56/532,077.03 = 118,016.58/x
  3. Step 3: Cross multiply
    354,664.56x = 532,077.03 × 118,016.58
  4. Step 4: Simplify right side
    354,664.56x = 62,793,911,377.16
  5. Step 5: Solve for x
    x = 62,793,911,377.16/354,664.56
  6. Step 6: Final answer
    x = 177,051.55

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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.