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Finding the Fourth Proportional to 125,382.52, 188,018.28 and 58,768.84

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Solution

The fourth proportional to 125,382.52, 188,018.28 and 58,768.84 is: 88,127.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,382.52 : 188,018.28 = 58,768.84 : x
  2. Step 2: Convert to fraction form
    125,382.52/188,018.28 = 58,768.84/x
  3. Step 3: Cross multiply
    125,382.52x = 188,018.28 × 58,768.84
  4. Step 4: Simplify right side
    125,382.52x = 11,049,616,214.40
  5. Step 5: Solve for x
    x = 11,049,616,214.40/125,382.52
  6. Step 6: Final answer
    x = 88,127.25

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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.