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Finding the Fourth Proportional to 377,316.86, 565,780.52 and 111,042.80

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Solution

The fourth proportional to 377,316.86, 565,780.52 and 111,042.80 is: 166,506.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,316.86 : 565,780.52 = 111,042.80 : x
  2. Step 2: Convert to fraction form
    377,316.86/565,780.52 = 111,042.80/x
  3. Step 3: Cross multiply
    377,316.86x = 565,780.52 × 111,042.80
  4. Step 4: Simplify right side
    377,316.86x = 62,825,853,126.26
  5. Step 5: Solve for x
    x = 62,825,853,126.26/377,316.86
  6. Step 6: Final answer
    x = 166,506.88

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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.