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Finding the Fourth Proportional to 188,242.89, 282,281.45 and 88,431.45

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Solution

The fourth proportional to 188,242.89, 282,281.45 and 88,431.45 is: 132,608.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,242.89 : 282,281.45 = 88,431.45 : x
  2. Step 2: Convert to fraction form
    188,242.89/282,281.45 = 88,431.45/x
  3. Step 3: Cross multiply
    188,242.89x = 282,281.45 × 88,431.45
  4. Step 4: Simplify right side
    188,242.89x = 24,962,557,489.45
  5. Step 5: Solve for x
    x = 24,962,557,489.45/188,242.89
  6. Step 6: Final answer
    x = 132,608.24

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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.