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Finding the Fourth Proportional to 188,369.40, 282,546.78 and 63,710.40

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Solution

The fourth proportional to 188,369.40, 282,546.78 and 63,710.40 is: 95,563.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,369.40 : 282,546.78 = 63,710.40 : x
  2. Step 2: Convert to fraction form
    188,369.40/282,546.78 = 63,710.40/x
  3. Step 3: Cross multiply
    188,369.40x = 282,546.78 × 63,710.40
  4. Step 4: Simplify right side
    188,369.40x = 18,001,168,372.51
  5. Step 5: Solve for x
    x = 18,001,168,372.51/188,369.40
  6. Step 6: Final answer
    x = 95,563.12

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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.