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Finding the Fourth Proportional to 114,879.42, 158,532.72 and 63,195.41

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Solution

The fourth proportional to 114,879.42, 158,532.72 and 63,195.41 is: 87,209.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,879.42 : 158,532.72 = 63,195.41 : x
  2. Step 2: Convert to fraction form
    114,879.42/158,532.72 = 63,195.41/x
  3. Step 3: Cross multiply
    114,879.42x = 158,532.72 × 63,195.41
  4. Step 4: Simplify right side
    114,879.42x = 10,018,539,506.42
  5. Step 5: Solve for x
    x = 10,018,539,506.42/114,879.42
  6. Step 6: Final answer
    x = 87,209.18

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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.