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Finding the Fourth Proportional to 189,166.62, 283,833.51 and 99,187.84

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Solution

The fourth proportional to 189,166.62, 283,833.51 and 99,187.84 is: 148,825.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,166.62 : 283,833.51 = 99,187.84 : x
  2. Step 2: Convert to fraction form
    189,166.62/283,833.51 = 99,187.84/x
  3. Step 3: Cross multiply
    189,166.62x = 283,833.51 × 99,187.84
  4. Step 4: Simplify right side
    189,166.62x = 28,152,832,776.52
  5. Step 5: Solve for x
    x = 28,152,832,776.52/189,166.62
  6. Step 6: Final answer
    x = 148,825.58

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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.