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Finding the Fourth Proportional to 114,391.12, 171,528.17 and 47,813.08

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Solution

The fourth proportional to 114,391.12, 171,528.17 and 47,813.08 is: 71,695.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,391.12 : 171,528.17 = 47,813.08 : x
  2. Step 2: Convert to fraction form
    114,391.12/171,528.17 = 47,813.08/x
  3. Step 3: Cross multiply
    114,391.12x = 171,528.17 × 47,813.08
  4. Step 4: Simplify right side
    114,391.12x = 8,201,290,114.46
  5. Step 5: Solve for x
    x = 8,201,290,114.46/114,391.12
  6. Step 6: Final answer
    x = 71,695.16

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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.