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Finding the Fourth Proportional to 188,590.68, 282,877.52 and 55,475.28

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Solution

The fourth proportional to 188,590.68, 282,877.52 and 55,475.28 is: 83,210.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,590.68 : 282,877.52 = 55,475.28 : x
  2. Step 2: Convert to fraction form
    188,590.68/282,877.52 = 55,475.28/x
  3. Step 3: Cross multiply
    188,590.68x = 282,877.52 × 55,475.28
  4. Step 4: Simplify right side
    188,590.68x = 15,692,709,350.33
  5. Step 5: Solve for x
    x = 15,692,709,350.33/188,590.68
  6. Step 6: Final answer
    x = 83,210.42

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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.