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Finding the Fourth Proportional to 127,184.58, 190,765.80 and 48,299.40

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Solution

The fourth proportional to 127,184.58, 190,765.80 and 48,299.40 is: 72,444.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,184.58 : 190,765.80 = 48,299.40 : x
  2. Step 2: Convert to fraction form
    127,184.58/190,765.80 = 48,299.40/x
  3. Step 3: Cross multiply
    127,184.58x = 190,765.80 × 48,299.40
  4. Step 4: Simplify right side
    127,184.58x = 9,213,873,680.52
  5. Step 5: Solve for x
    x = 9,213,873,680.52/127,184.58
  6. Step 6: Final answer
    x = 72,444.90

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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.