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Finding the Fourth Proportional to 188,810.86, 283,118.90 and 55,673.82

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Solution

The fourth proportional to 188,810.86, 283,118.90 and 55,673.82 is: 83,482.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,810.86 : 283,118.90 = 55,673.82 : x
  2. Step 2: Convert to fraction form
    188,810.86/283,118.90 = 55,673.82/x
  3. Step 3: Cross multiply
    188,810.86x = 283,118.90 × 55,673.82
  4. Step 4: Simplify right side
    188,810.86x = 15,762,310,677.20
  5. Step 5: Solve for x
    x = 15,762,310,677.20/188,810.86
  6. Step 6: Final answer
    x = 83,482.01

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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.