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Finding the Fourth Proportional to 114,432.80, 171,665.40 and 35,538.80

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Solution

The fourth proportional to 114,432.80, 171,665.40 and 35,538.80 is: 53,313.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,432.80 : 171,665.40 = 35,538.80 : x
  2. Step 2: Convert to fraction form
    114,432.80/171,665.40 = 35,538.80/x
  3. Step 3: Cross multiply
    114,432.80x = 171,665.40 × 35,538.80
  4. Step 4: Simplify right side
    114,432.80x = 6,100,782,317.52
  5. Step 5: Solve for x
    x = 6,100,782,317.52/114,432.80
  6. Step 6: Final answer
    x = 53,313.23

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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.