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Finding the Fourth Proportional to 114,191.36, 171,290.78 and 39,310.71

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Solution

The fourth proportional to 114,191.36, 171,290.78 and 39,310.71 is: 58,967.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,191.36 : 171,290.78 = 39,310.71 : x
  2. Step 2: Convert to fraction form
    114,191.36/171,290.78 = 39,310.71/x
  3. Step 3: Cross multiply
    114,191.36x = 171,290.78 × 39,310.71
  4. Step 4: Simplify right side
    114,191.36x = 6,733,562,178.25
  5. Step 5: Solve for x
    x = 6,733,562,178.25/114,191.36
  6. Step 6: Final answer
    x = 58,967.35

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1.5x scale

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.