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Finding the Fourth Proportional to 363,854.79, 545,553.14 and 111,051.18

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Solution

The fourth proportional to 363,854.79, 545,553.14 and 111,051.18 is: 166,506.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,854.79 : 545,553.14 = 111,051.18 : x
  2. Step 2: Convert to fraction form
    363,854.79/545,553.14 = 111,051.18/x
  3. Step 3: Cross multiply
    363,854.79x = 545,553.14 × 111,051.18
  4. Step 4: Simplify right side
    363,854.79x = 60,584,319,394.45
  5. Step 5: Solve for x
    x = 60,584,319,394.45/363,854.79
  6. Step 6: Final answer
    x = 166,506.86

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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.