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Finding the Fourth Proportional to 85,219.20, 127,824.48 and 32,624.64

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Solution

The fourth proportional to 85,219.20, 127,824.48 and 32,624.64 is: 48,935.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,219.20 : 127,824.48 = 32,624.64 : x
  2. Step 2: Convert to fraction form
    85,219.20/127,824.48 = 32,624.64/x
  3. Step 3: Cross multiply
    85,219.20x = 127,824.48 × 32,624.64
  4. Step 4: Simplify right side
    85,219.20x = 4,170,227,643.19
  5. Step 5: Solve for x
    x = 4,170,227,643.19/85,219.20
  6. Step 6: Final answer
    x = 48,935.31

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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.