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Finding the Fourth Proportional to 188,395.32, 282,260.88 and 99,452.88

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Solution

The fourth proportional to 188,395.32, 282,260.88 and 99,452.88 is: 149,004.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,395.32 : 282,260.88 = 99,452.88 : x
  2. Step 2: Convert to fraction form
    188,395.32/282,260.88 = 99,452.88/x
  3. Step 3: Cross multiply
    188,395.32x = 282,260.88 × 99,452.88
  4. Step 4: Simplify right side
    188,395.32x = 28,071,657,427.33
  5. Step 5: Solve for x
    x = 28,071,657,427.33/188,395.32
  6. Step 6: Final answer
    x = 149,004.01

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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.