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Finding the Fourth Proportional to 125,532.50, 188,300.30 and 36,787.82

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Solution

The fourth proportional to 125,532.50, 188,300.30 and 36,787.82 is: 55,182.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,532.50 : 188,300.30 = 36,787.82 : x
  2. Step 2: Convert to fraction form
    125,532.50/188,300.30 = 36,787.82/x
  3. Step 3: Cross multiply
    125,532.50x = 188,300.30 × 36,787.82
  4. Step 4: Simplify right side
    125,532.50x = 6,927,156,416.91
  5. Step 5: Solve for x
    x = 6,927,156,416.91/125,532.50
  6. Step 6: Final answer
    x = 55,182.18

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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.