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Finding the Fourth Proportional to 114,321.19, 157,763.19 and 63,337.22

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Solution

The fourth proportional to 114,321.19, 157,763.19 and 63,337.22 is: 87,405.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,321.19 : 157,763.19 = 63,337.22 : x
  2. Step 2: Convert to fraction form
    114,321.19/157,763.19 = 63,337.22/x
  3. Step 3: Cross multiply
    114,321.19x = 157,763.19 × 63,337.22
  4. Step 4: Simplify right side
    114,321.19x = 9,992,281,872.93
  5. Step 5: Solve for x
    x = 9,992,281,872.93/114,321.19
  6. Step 6: Final answer
    x = 87,405.33

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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.