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Finding the Fourth Proportional to 114,445.86, 157,934.50 and 63,458.57

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Solution

The fourth proportional to 114,445.86, 157,934.50 and 63,458.57 is: 87,572.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,445.86 : 157,934.50 = 63,458.57 : x
  2. Step 2: Convert to fraction form
    114,445.86/157,934.50 = 63,458.57/x
  3. Step 3: Cross multiply
    114,445.86x = 157,934.50 × 63,458.57
  4. Step 4: Simplify right side
    114,445.86x = 10,022,297,523.67
  5. Step 5: Solve for x
    x = 10,022,297,523.67/114,445.86
  6. Step 6: Final answer
    x = 87,572.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.