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Finding the Fourth Proportional to 188,428.01, 282,412.04 and 88,454.75

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Solution

The fourth proportional to 188,428.01, 282,412.04 and 88,454.75 is: 132,574.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,428.01 : 282,412.04 = 88,454.75 : x
  2. Step 2: Convert to fraction form
    188,428.01/282,412.04 = 88,454.75/x
  3. Step 3: Cross multiply
    188,428.01x = 282,412.04 × 88,454.75
  4. Step 4: Simplify right side
    188,428.01x = 24,980,684,540.86
  5. Step 5: Solve for x
    x = 24,980,684,540.86/188,428.01
  6. Step 6: Final answer
    x = 132,574.16

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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.