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Finding the Fourth Proportional to 127,293.50, 190,940.25 and 44,187.50

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Solution

The fourth proportional to 127,293.50, 190,940.25 and 44,187.50 is: 66,281.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,293.50 : 190,940.25 = 44,187.50 : x
  2. Step 2: Convert to fraction form
    127,293.50/190,940.25 = 44,187.50/x
  3. Step 3: Cross multiply
    127,293.50x = 190,940.25 × 44,187.50
  4. Step 4: Simplify right side
    127,293.50x = 8,437,172,296.88
  5. Step 5: Solve for x
    x = 8,437,172,296.88/127,293.50
  6. Step 6: Final answer
    x = 66,281.25

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1.5x scale

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.