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Finding the Fourth Proportional to 189,010.18, 283,570.62 and 55,893.88

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Solution

The fourth proportional to 189,010.18, 283,570.62 and 55,893.88 is: 83,857.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,010.18 : 283,570.62 = 55,893.88 : x
  2. Step 2: Convert to fraction form
    189,010.18/283,570.62 = 55,893.88/x
  3. Step 3: Cross multiply
    189,010.18x = 283,570.62 × 55,893.88
  4. Step 4: Simplify right side
    189,010.18x = 15,849,862,205.81
  5. Step 5: Solve for x
    x = 15,849,862,205.81/189,010.18
  6. Step 6: Final answer
    x = 83,857.19

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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.