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Finding the Fourth Proportional to 125,993.48, 189,017.58 and 58,566.90

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Solution

The fourth proportional to 125,993.48, 189,017.58 and 58,566.90 is: 87,863.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,993.48 : 189,017.58 = 58,566.90 : x
  2. Step 2: Convert to fraction form
    125,993.48/189,017.58 = 58,566.90/x
  3. Step 3: Cross multiply
    125,993.48x = 189,017.58 × 58,566.90
  4. Step 4: Simplify right side
    125,993.48x = 11,070,173,571.32
  5. Step 5: Solve for x
    x = 11,070,173,571.32/125,993.48
  6. Step 6: Final answer
    x = 87,863.07

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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.