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Finding the Fourth Proportional to 125,037, 187,555.50 and 37,485

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Solution

The fourth proportional to 125,037, 187,555.50 and 37,485 is: 56,227.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,037 : 187,555.50 = 37,485 : x
  2. Step 2: Convert to fraction form
    125,037/187,555.50 = 37,485/x
  3. Step 3: Cross multiply
    125,037x = 187,555.50 × 37,485
  4. Step 4: Simplify right side
    125,037x = 7,030,517,917.50
  5. Step 5: Solve for x
    x = 7,030,517,917.50/125,037
  6. Step 6: Final answer
    x = 56,227.50

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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.