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Finding the Fourth Proportional to 127,230.40, 190,845.60 and 44,124.40

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Solution

The fourth proportional to 127,230.40, 190,845.60 and 44,124.40 is: 66,186.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,230.40 : 190,845.60 = 44,124.40 : x
  2. Step 2: Convert to fraction form
    127,230.40/190,845.60 = 44,124.40/x
  3. Step 3: Cross multiply
    127,230.40x = 190,845.60 × 44,124.40
  4. Step 4: Simplify right side
    127,230.40x = 8,420,947,592.64
  5. Step 5: Solve for x
    x = 8,420,947,592.64/127,230.40
  6. Step 6: Final answer
    x = 66,186.60

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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.