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Finding the Fourth Proportional to 225,096.04, 310,728.18 and 140,255.04

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Solution

The fourth proportional to 225,096.04, 310,728.18 and 140,255.04 is: 193,611.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,096.04 : 310,728.18 = 140,255.04 : x
  2. Step 2: Convert to fraction form
    225,096.04/310,728.18 = 140,255.04/x
  3. Step 3: Cross multiply
    225,096.04x = 310,728.18 × 140,255.04
  4. Step 4: Simplify right side
    225,096.04x = 43,581,193,315.03
  5. Step 5: Solve for x
    x = 43,581,193,315.03/225,096.04
  6. Step 6: Final answer
    x = 193,611.55

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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.