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Finding the Fourth Proportional to 114,762.12, 158,361.63 and 63,771.60

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Solution

The fourth proportional to 114,762.12, 158,361.63 and 63,771.60 is: 87,999.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,762.12 : 158,361.63 = 63,771.60 : x
  2. Step 2: Convert to fraction form
    114,762.12/158,361.63 = 63,771.60/x
  3. Step 3: Cross multiply
    114,762.12x = 158,361.63 × 63,771.60
  4. Step 4: Simplify right side
    114,762.12x = 10,098,975,237.14
  5. Step 5: Solve for x
    x = 10,098,975,237.14/114,762.12
  6. Step 6: Final answer
    x = 87,999.21

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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.