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Finding the Fourth Proportional to 189,188.48, 283,810.26 and 56,051.48

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Solution

The fourth proportional to 189,188.48, 283,810.26 and 56,051.48 is: 84,085.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,188.48 : 283,810.26 = 56,051.48 : x
  2. Step 2: Convert to fraction form
    189,188.48/283,810.26 = 56,051.48/x
  3. Step 3: Cross multiply
    189,188.48x = 283,810.26 × 56,051.48
  4. Step 4: Simplify right side
    189,188.48x = 15,907,985,112.18
  5. Step 5: Solve for x
    x = 15,907,985,112.18/189,188.48
  6. Step 6: Final answer
    x = 84,085.38

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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.