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Finding the Fourth Proportional to 114,334.40, 171,501.60 and 112,147.40

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Solution

The fourth proportional to 114,334.40, 171,501.60 and 112,147.40 is: 168,221.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,334.40 : 171,501.60 = 112,147.40 : x
  2. Step 2: Convert to fraction form
    114,334.40/171,501.60 = 112,147.40/x
  3. Step 3: Cross multiply
    114,334.40x = 171,501.60 × 112,147.40
  4. Step 4: Simplify right side
    114,334.40x = 19,233,458,535.84
  5. Step 5: Solve for x
    x = 19,233,458,535.84/114,334.40
  6. Step 6: Final answer
    x = 168,221.10

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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.