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Finding the Fourth Proportional to 189,030.68, 283,601.37 and 55,914.48

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Solution

The fourth proportional to 189,030.68, 283,601.37 and 55,914.48 is: 83,888.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,030.68 : 283,601.37 = 55,914.48 : x
  2. Step 2: Convert to fraction form
    189,030.68/283,601.37 = 55,914.48/x
  3. Step 3: Cross multiply
    189,030.68x = 283,601.37 × 55,914.48
  4. Step 4: Simplify right side
    189,030.68x = 15,857,423,130.84
  5. Step 5: Solve for x
    x = 15,857,423,130.84/189,030.68
  6. Step 6: Final answer
    x = 83,888.09

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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.