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Finding the Fourth Proportional to 195,695.45, 270,059.72 and 110,812.50

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Solution

The fourth proportional to 195,695.45, 270,059.72 and 110,812.50 is: 152,921.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,695.45 : 270,059.72 = 110,812.50 : x
  2. Step 2: Convert to fraction form
    195,695.45/270,059.72 = 110,812.50/x
  3. Step 3: Cross multiply
    195,695.45x = 270,059.72 × 110,812.50
  4. Step 4: Simplify right side
    195,695.45x = 29,925,992,168.44
  5. Step 5: Solve for x
    x = 29,925,992,168.44/195,695.45
  6. Step 6: Final answer
    x = 152,921.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.