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Finding the Fourth Proportional to 188,357.56, 282,505.28 and 61,999.45

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Solution

The fourth proportional to 188,357.56, 282,505.28 and 61,999.45 is: 92,988.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,357.56 : 282,505.28 = 61,999.45 : x
  2. Step 2: Convert to fraction form
    188,357.56/282,505.28 = 61,999.45/x
  3. Step 3: Cross multiply
    188,357.56x = 282,505.28 × 61,999.45
  4. Step 4: Simplify right side
    188,357.56x = 17,515,171,982.10
  5. Step 5: Solve for x
    x = 17,515,171,982.10/188,357.56
  6. Step 6: Final answer
    x = 92,988.95

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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.